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[[Category:English]]
[[Category:Mendelian and Non-Mendelian Genetics]]

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= Introduction =

'''Mendelian and Non-Mendelian Genetics''' explores how traits are transmitted from one generation to the next, why some inheritance patterns fit simple Mendelian predictions, and why many real traits require more complex models. This aiMOOC is designed for learners in '''Grades 11–13'''. You will connect [[English:Gregor Mendel|Mendel's experiments]] with [[English:Meiosis|meiosis]], chromosome behavior, probability, molecular genetics, and modern inheritance patterns.

[[File:Gregor Mendel portrait.jpg|400px|frameless|center]]

Gregor Mendel's nineteenth-century pea experiments helped establish the idea that hereditary information is transmitted as discrete units rather than permanently blending. Modern genetics has expanded this framework: Mendel's principles remain fundamental, but dominance relationships, linkage, gene interactions, cytoplasmic inheritance, epigenetic effects, and environmental influences can change the patterns you observe.

[[File:Mendel pea traits.svg|600px|frameless|center]]

By the end of the course, you should be able to:
# [[English:Genotype and phenotype|Distinguish genotype and phenotype]] and use allele notation accurately.
# [[English:Mendelian inheritance|Apply Mendelian principles]] to monohybrid and dihybrid crosses.
# [[English:Meiosis|Explain the meiotic basis]] of segregation, independent assortment, and recombination.
# [[English:Non-Mendelian inheritance|Compare non-Mendelian patterns]] such as incomplete dominance, codominance, multiple alleles, epistasis, polygenic inheritance, sex linkage, mitochondrial inheritance, and genomic imprinting.
# [[English:Probability|Use probability]] to predict expected offspring ratios while recognizing that real samples can deviate by chance.
# [[English:Scientific reasoning|Evaluate evidence]] and decide which inheritance model best explains a data set.

{{#ev:youtube|https://www.youtube.com/watch?v=jLmoJPxihjA|500|center}}

The video above provides a broad secondary-school review of Mendelian and non-Mendelian genetics. Use it as an overview, then return to the detailed sections below for deeper reasoning.

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= Foundations of Genetic Inheritance =

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== Genes, Alleles, Genotypes, and Phenotypes ==

A [[English:Gene|gene]] is a DNA sequence that contributes to a functional product or to the regulation of biological processes. An [[English:Allele|allele]] is a variant form of a gene at a particular locus. In a diploid organism, two homologous chromosomes normally carry two copies of each autosomal locus, one inherited through each parental gamete.

Your '''genotype''' is the allele combination at a locus or set of loci. Your '''phenotype''' is the observable or measurable outcome produced by genotype in interaction with cellular, developmental, and environmental factors. A genotype therefore does not always determine one inevitable phenotype.

For a two-allele locus, an individual with two identical alleles is '''homozygous''', whereas an individual with two different alleles is '''heterozygous'''. In a simple complete-dominance model, a dominant allele determines the heterozygous phenotype and a recessive allele is phenotypically visible only when no dominant allele is present. Dominance describes a relationship between alleles at a locus; it does not mean that a dominant allele is more common, stronger, healthier, or evolutionarily superior.

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== Mendel's Experimental Logic ==

Mendel selected pea traits that produced clear, contrasting phenotypes and used controlled crosses over multiple generations. True-breeding parental lines formed the P generation. Their hybrid offspring formed the F1 generation, and self-fertilization or crossing among F1 individuals produced the F2 generation. The reappearance of recessive phenotypes in F2 offspring supported the idea that hereditary factors remain discrete across generations.

[[File:Gregor Mendel - characteristics of pea plants - english.png|650px|frameless|center]]

Mendel's success depended on careful experimental design: controlled pollination, large samples, repeated crosses, and quantitative counting. His ratios are '''expected probabilities''', not guarantees for every family or small group of offspring.

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= Mendelian Genetics =

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== Law of Segregation ==

The [[English:Law of segregation|law of segregation]] states that the two alleles at a locus separate during gamete formation so that a typical haploid gamete receives one allele. The chromosomal basis is the separation of homologous chromosomes during meiosis I. Fertilization then restores the diploid state by combining one allele from each gamete.

For a heterozygote Aa, meiosis produces gametes carrying A or a in approximately equal proportions when segregation is normal. If two heterozygotes are crossed, Aa × Aa, the expected genotype ratio is 1 AA : 2 Aa : 1 aa. Under complete dominance, the expected phenotype ratio is 3 dominant : 1 recessive.

[[File:Punnett square mendel flowers.svg|500px|frameless|center]]

A [[English:Punnett square|Punnett square]] organizes possible gamete combinations. Each cell represents a possible fertilization outcome, and the relative number of cells of each type gives the expected probabilities. A Punnett square does not predict the exact sequence of births or guarantee that a small sample will match the theoretical ratio.

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== Test Crosses ==

A [[English:Test cross|test cross]] helps distinguish between two possible genotypes that produce the same dominant phenotype. An organism with a dominant phenotype but unknown genotype is crossed with a homozygous recessive organism. If recessive offspring appear, the unknown parent must have contributed a recessive allele and therefore was heterozygous. With small samples, however, the absence of recessive offspring is not absolute proof of homozygosity; probability still matters.

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== Independent Assortment ==

The [[English:Law of independent assortment|law of independent assortment]] states that allele pairs of different genes assort independently into gametes when the genes behave independently. The clearest chromosomal basis is the random orientation of different homologous chromosome pairs during metaphase I of meiosis.

For an AaBb individual with independently assorting loci, the gametes AB, Ab, aB, and ab are expected in equal proportions. In the classic AaBb × AaBb dihybrid cross with complete dominance at both loci, the expected phenotype ratio is 9 : 3 : 3 : 1.

Independent assortment is not universal for every pair of genes. Genes close together on the same chromosome can be [[English:Genetic linkage|linked]] and inherited together more often than expected by independent assortment.

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= Meiosis: The Chromosomal Basis of Inheritance =

[[File:Meiosis main steps.svg|700px|frameless|center]]

[[English:Meiosis|Meiosis]] links chromosome behavior to inheritance. Before meiosis, DNA is replicated. During prophase I, homologous chromosomes pair and can exchange corresponding DNA segments through crossing over. During meiosis I, homologous chromosome pairs separate. During meiosis II, sister chromatids separate, producing haploid cells.

{{#ev:youtube|https://www.youtube.com/watch?v=VzDMG7ke69g|500|center}}

Three meiotic processes are especially important for genetic variation:
# [[English:Segregation|Segregation]] separates homologous alleles into different gametes.
# [[English:Independent assortment|Independent assortment]] creates different combinations of maternal and paternal chromosomes.
# [[English:Crossing-over|Crossing over]] creates recombinant chromosomes by exchanging DNA between homologous chromosomes.

The first two processes explain many Mendelian probabilities. Crossing over also explains why linked genes can sometimes be separated.

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= When Mendelian Ratios Need Extension =

The term '''non-Mendelian inheritance''' covers patterns that do not produce the simplest dominant-recessive ratios or that involve mechanisms beyond the classic single nuclear locus model. It is important not to interpret this as a rejection of Mendel. Incomplete dominance and codominance, for example, still obey allele segregation; what changes is the relationship between genotype and phenotype.

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== Incomplete Dominance ==

In [[English:Incomplete dominance|incomplete dominance]], the heterozygote has a phenotype intermediate between the two homozygous phenotypes. If red-flowered and white-flowered snapdragon alleles show incomplete dominance, a heterozygote can be pink. A heterozygote × heterozygote cross then gives a 1 : 2 : 1 genotype ratio and, because all three genotypes are distinguishable phenotypically, a 1 : 2 : 1 phenotype ratio as well.

Incomplete dominance is not the same as permanent blending. The alleles remain discrete and can reappear in later generations.

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== Codominance and Multiple Alleles ==

In [[English:Codominance|codominance]], both alleles contribute distinguishable effects to the heterozygous phenotype. The human ABO blood group system is a useful example. The I-A and I-B alleles are codominant with each other, while both are dominant over i. An I-A I-B genotype produces blood group AB.

[[File:ABO system codominance.svg|600px|frameless|center]]

The ABO system also demonstrates '''multiple alleles'''. A population can contain more than two alleles for one gene even though a diploid individual normally carries only two alleles at that locus. This distinction between population-level diversity and individual genotype is essential.

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== Epistasis: Interactions Between Genes ==

[[English:Epistasis|Epistasis]] occurs when the genotype at one locus modifies or masks the phenotypic effect of another locus. This is different from dominance, which describes interaction between alleles of the same gene.

[[File:Epistasis.png|600px|frameless|center]]

Epistasis can change expected dihybrid phenotype ratios because several genotypes collapse into the same phenotypic class. The exact modified ratio depends on the biological pathway. Therefore, you should not memorize one universal "epistasis ratio"; instead, reason from how the genes interact.

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== Polygenic Inheritance and Quantitative Traits ==

In [[English:Polygenic inheritance|polygenic inheritance]], multiple genes contribute to one trait. If many loci each make small contributions and environmental variation also affects the outcome, the phenotype may show continuous variation rather than a few discrete categories. Human height is a classic example of a complex quantitative trait influenced by many genetic variants and environmental factors.

Polygenic inheritance is not equivalent to incomplete dominance. Incomplete dominance describes the phenotype of a heterozygote at one locus, while polygenic inheritance describes combined contributions from multiple loci.

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== Pleiotropy, Penetrance, Expressivity, and Environment ==

A single gene can affect several traits; this is called [[English:Pleiotropy|pleiotropy]]. Conversely, the same genotype may not always produce the same visible outcome. '''Penetrance''' describes the proportion of individuals with a genotype who show an associated phenotype. '''Expressivity''' describes variation in the degree or form of that phenotype among individuals who express it.

Environmental conditions can also influence gene expression and phenotype. Temperature, nutrition, light, stress, and other factors can modify biological outcomes. Therefore, a genetic contribution does not mean that a trait is fixed or unaffected by environment.

{{#ev:youtube|https://www.youtube.com/watch?v=8FqZMKxv6dQ|500|center}}

Use the practice video above to test your recognition of incomplete dominance, codominance, multiple alleles, and epistasis.

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= Linkage and Recombination =

Genes on the same chromosome are physically linked. If two loci are close together, parental allele combinations tend to be transmitted together more often than recombinant combinations. Crossing over during prophase I can separate linked alleles.

A '''recombination frequency''' is the proportion of recombinant offspring or gametes. For sufficiently close loci, recombination frequency can be used as an estimate of genetic distance. One percent recombination corresponds approximately to one map unit, also called one centimorgan. Recombination frequencies do not exceed 50 percent as an observable measure of linkage; values near 50 percent indicate that loci behave as though they assort independently.

This explains why the law of independent assortment has conditions. It works well for genes on different chromosomes and for genes that are sufficiently far apart on the same chromosome to appear unlinked.

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= Sex-Linked Inheritance =

A gene located on a sex chromosome can show a [[English:Sex-linked inheritance|sex-linked inheritance]] pattern. For X-linked recessive traits in the common XX/XY model, a person with one X chromosome has only one copy of most X-linked loci, so one recessive allele can be sufficient to produce the associated phenotype. A person with two X chromosomes may be heterozygous and carry the allele without showing a fully recessive phenotype.

[[File:X-linked recessive (2).svg|600px|frameless|center]]

Pedigree patterns can help you infer X-linked inheritance, but real human genetics can be more complex than textbook pedigrees. Chromosome combinations, gene function, penetrance, de novo variants, and reproductive history can all affect interpretation.

{{#ev:youtube|https://www.youtube.com/watch?v=dN9SZHO6Wjg|500|center}}

The video above demonstrates how Punnett squares can model X-linked inheritance while also emphasizing limits of simplified sex-chromosome models.

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= Cytoplasmic and Parent-of-Origin Inheritance =

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== Mitochondrial Inheritance ==

Most human mitochondrial DNA is inherited through the egg cytoplasm. Therefore, variants in mitochondrial DNA often show maternal transmission: an affected mother can transmit a mitochondrial variant to children of any sex, whereas an affected father usually does not transmit mitochondrial DNA to offspring.

[[File:Mitochondrial inheritance.svg|650px|frameless|center]]

Mitochondrial genetics can be complicated by '''heteroplasmy''', meaning that a cell or individual contains more than one mitochondrial DNA type. Different tissues can contain different proportions of a variant, which can contribute to variable expression.

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== Genomic Imprinting ==

[[English:Genomic imprinting|Genomic imprinting]] is a parent-of-origin effect in which expression of certain genes depends on whether an allele was inherited from the mother or the father. Epigenetic marks established in the germ line can silence one parental copy without changing the underlying DNA sequence.

Imprinting shows why two alleles with the same DNA sequence can have different expression states depending on their parental origin. It is therefore a useful example of inheritance that cannot be explained by a simple dominant-recessive Punnett square alone.

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= Choosing the Right Genetic Model =

When you analyze an inheritance problem, begin with evidence rather than forcing every result into a 3 : 1 ratio. Ask:
# Does one locus with complete dominance explain the pattern?
# Do heterozygotes form a distinct phenotype, suggesting incomplete dominance or codominance?
# Are more than two alleles known in the population?
# Do two loci interact, suggesting epistasis?
# Do linked loci produce an excess of parental combinations?
# Does the pedigree suggest sex-linked or mitochondrial inheritance?
# Could penetrance, expressivity, environment, or parent-of-origin effects alter the phenotype?

A good genetic model explains the observed pattern, makes testable predictions, and states its assumptions.

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= Probability, Data, and Scientific Uncertainty =

Genetic crosses generate probabilities. A predicted probability of 25 percent does not mean that exactly one of every four offspring must show the outcome. Each fertilization is a probabilistic event, and random sampling can produce deviations from an expected ratio.

With larger samples, observed frequencies often approach expected probabilities more closely. In advanced genetics, a [[English:Chi-squared test|chi-squared test]] can be used to compare observed counts with expected counts and ask whether the deviation is plausibly due to chance under a proposed model.

You should also distinguish '''probability''' from '''certainty''' when discussing human genetics. A model can estimate risk without determining an individual's future with certainty.

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= Responsible Use of Genetic Information =

Genetics can inform medicine, agriculture, conservation, ancestry research, and evolutionary biology, but genetic information is sensitive. Avoid treating a single gene as a complete explanation for complex human traits. Do not infer health status, ability, identity, or social value from simplified inheritance patterns.

Scientific communication should state uncertainty, separate correlation from causation, and respect privacy. When a genetics problem involves a real person or family, use appropriate ethical and professional safeguards rather than treating the pedigree as merely a classroom puzzle.

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= Interactive Tasks =

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== Quiz: Test Your Knowledge ==

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'''Which statement best describes Mendel's law of segregation?'''
(The two alleles at a locus separate during gamete formation)
(!All genes on a chromosome always remain together)
(!Dominant alleles permanently remove recessive alleles)
(!Every trait is controlled by exactly two genes)

{{E}}
<br>

{{MC}}

'''What is the expected genotype ratio from an Aa by Aa monohybrid cross?'''
(One AA to two Aa to one aa)
(!Three AA to one aa)
(!One Aa to one aa)
(!Nine to three to three to one)

{{E}}
<br>

{{MC}}

'''When does independent assortment most clearly apply?'''
(When genes behave independently during gamete formation)
(!When two genes are always inherited as one unit)
(!When every allele is codominant)
(!When mitochondrial DNA is inherited)

{{E}}
<br>

{{MC}}

'''What distinguishes incomplete dominance from complete dominance?'''
(The heterozygote has an intermediate phenotype)
(!The recessive allele disappears from the genome)
(!Both homologous chromosomes are lost)
(!Only one allele exists in the population)

{{E}}
<br>

{{MC}}

'''What is codominance?'''
(Both alleles have distinguishable effects in a heterozygote)
(!One gene masks a different gene)
(!A trait is controlled by many genes)
(!A chromosome fails to replicate)

{{E}}
<br>

{{MC}}

'''Why can linked genes deviate from a classic dihybrid ratio?'''
(They may be inherited together more often than expected)
(!They are always located in mitochondria)
(!They cannot undergo mutation)
(!They never segregate during meiosis)

{{E}}
<br>

{{MC}}

'''What process can create recombinant chromosomes during meiosis?'''
(Crossing over)
(!DNA translation)
(!Binary fission)
(!Cytokinesis alone)

{{E}}
<br>

{{MC}}

'''What does epistasis describe?'''
(One gene modifies or masks the effect of another gene)
(!Two alleles at one locus are identical)
(!A chromosome pair separates in meiosis)
(!A trait has no genetic component)

{{E}}
<br>

{{MC}}

'''Which pattern is most characteristic of mitochondrial inheritance in humans?'''
(Maternal transmission through mitochondrial DNA)
(!Strict father to son transmission)
(!Equal nuclear contribution from both parents)
(!Independent assortment of every mitochondrial gene)

{{E}}
<br>

{{MC}}

'''Why should a Punnett square be interpreted probabilistically?'''
(It predicts expected frequencies rather than guaranteed outcomes)
(!It gives the exact order of future births)
(!It removes random sampling effects)
(!It proves that environment never matters)

{{E}}
<br>

{{BR}}
== Memory Game ==

<div class="memo-quiz">
{|
|-
| Segregation || Separation of paired alleles during gamete formation
|-
| Codominance || Simultaneous distinguishable expression of both alleles in a heterozygote
|-
| Epistasis || Interaction in which one gene modifies or masks another gene
|-
| Linkage || Tendency of nearby genes on one chromosome to be inherited together
|-
| Recombination || Formation of new allele combinations through crossing over
|-
| Heteroplasmy || Presence of more than one mitochondrial DNA type in a cell or individual
|-
| Imprinting || Parent-of-origin dependent gene expression caused by epigenetic marking
|}
{{E}}
<br>

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== Drag and Drop ==

<div class="lueckentext-quiz">

{| class="wikitable"
! Match the correct terms.
! Topic
|-
| '''Complete dominance'''
| Heterozygote shows the dominant phenotype
|-
| '''Incomplete dominance'''
| Heterozygote shows an intermediate phenotype
|-
| '''Codominance'''
| Heterozygote shows distinguishable effects of both alleles
|-
| '''Polygenic inheritance'''
| Multiple genes contribute to one trait
|-
| '''Mitochondrial inheritance'''
| Genetic information is transmitted mainly through the egg cytoplasm
|}
{{E}}

<br>
...
<br />

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== Crossword Puzzle ==

<div class="kreuzwort-quiz">
{|
|-
| Segregation || What process separates the two alleles of a locus into different gametes?
|-
| Recombination || What process creates new allele combinations through crossing over?
|-
| Codominance || What inheritance pattern expresses both alleles distinctly in a heterozygote?
|-
| Epistasis || What gene interaction occurs when one locus modifies the effect of another?
|-
| Mitochondrial || Which type of inheritance commonly follows transmission through egg cytoplasm?
|-
| Penetrance || What term describes the proportion of people with a genotype who show its associated phenotype?
|}
{{E}}
<br>

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== LearningApps ==

<iframe> https://learningapps.org/index.php?s=Mendelian+and+Non-Mendelian+Genetics </iframe>

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== Cloze Text ==

<quiz display=simple>
{'''Complete the text.'''<br>
|type="{}"}
Mendel's law of { segregation } explains why the two alleles at one locus separate during gamete formation. A diploid individual with two different alleles at one locus is { heterozygous }. A Punnett square represents expected { probabilities } rather than guaranteed outcomes. Genes on different chromosomes usually show { independent assortment } during meiosis. Genes close together on the same chromosome may show { linkage }. Crossing over can generate new combinations through { recombination }. In incomplete dominance, the heterozygote has an { intermediate } phenotype. When both alleles are distinctly expressed in a heterozygote, the pattern is called { codominance }. A gene that modifies the effect of another locus shows { epistasis }. Parent-of-origin dependent expression caused by epigenetic marking is called genomic { imprinting }.
</quiz>

<br>

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= Open-Ended Tasks =

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=== Easy ===
# [[English:Genetics Vocabulary Map|Genetics Vocabulary Map]]: Create a one-page concept map that connects gene, allele, genotype, phenotype, homozygous, heterozygous, dominant, and recessive, then add one original example for each connection.
# [[English:Punnett Square Poster|Punnett Square Poster]]: Design a clear poster for a fictional Aa × Aa cross, label gametes and offspring genotypes, and explain why the expected 3 to 1 phenotype ratio is a probability rather than a guarantee.
# [[English:Mendel Media Annotation|Mendel Media Annotation]]: Choose one Mendel-related image from this course, annotate at least five scientific details, and write a short caption explaining how the image connects to inheritance.
# [[English:Coin-Toss Inheritance Model|Coin-Toss Inheritance Model]]: Use two coins to simulate allele transmission in at least 40 fictional offspring, record the outcomes, graph the observed genotype frequencies, and compare them with theoretical expectations.

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=== Standard ===
# [[English:Incomplete Dominance Investigation|Incomplete Dominance Investigation]]: Build a model cross for a fictional flower with incomplete dominance, predict the F2 ratio, and explain why the alleles remain discrete even though the heterozygote looks intermediate.
# [[English:ABO Genetics Case Study|ABO Genetics Case Study]]: Create three fictional family scenarios using the ABO allele system, determine possible offspring blood groups, and justify each conclusion using genotype evidence.
# [[English:Pedigree Pattern Analysis|Pedigree Pattern Analysis]]: Draw two fictional pedigrees that contrast autosomal recessive and X-linked recessive inheritance, then write a commentary identifying the evidence that supports each model.
# [[English:Genetics Explainer Video|Genetics Explainer Video]]: Produce a three- to five-minute English video that compares Mendelian inheritance with two non-Mendelian patterns and includes at least one diagram you created yourself.

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=== Advanced ===
# [[English:Recombination Mapping Project|Recombination Mapping Project]]: Analyze a teacher-provided or simulated linked-gene data set, calculate recombination frequencies, build a genetic map, and explain the assumptions and limitations of your map.
# [[English:Epistasis Pathway Model|Epistasis Pathway Model]]: Design a two-gene biochemical pathway that produces an epistatic phenotype ratio, generate expected offspring classes, and explain mechanistically why some genotypes share the same phenotype.
# [[English:Genomics Expert Interview|Genomics Expert Interview]]: Interview a genetics teacher, researcher, breeder, laboratory professional, or genetic counselor about where simple inheritance models succeed and fail, then summarize the interview without collecting personal genetic or medical information.
# [[English:Inheritance Model Comparison Study|Inheritance Model Comparison Study]]: Compare Mendelian inheritance, mitochondrial inheritance, and genomic imprinting in a research report that uses reliable sources, evaluates evidence, and explains how each model changes predictions across generations.

{{:Open Task - Create a MOOC}}

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= Learning Assessment =

# [[English:Model Selection Challenge|Model Selection Challenge]]: Given several fictional offspring data sets, choose the most plausible inheritance model for each, calculate expected outcomes, and defend your choices with evidence rather than pattern matching alone.
# [[English:Meiosis to Probability Explanation|Meiosis to Probability Explanation]]: Explain how chromosome behavior in meiosis produces segregation, independent assortment, and recombination, then connect each process to a specific genetic prediction.
# [[English:Unexpected Ratio Analysis|Unexpected Ratio Analysis]]: Analyze a cross whose observed numbers differ from a Mendelian expectation, decide whether sampling variation, linkage, epistasis, or another mechanism could explain the result, and propose an additional test.
# [[English:Linked Gene Reasoning|Linked Gene Reasoning]]: Use parental and recombinant offspring counts to estimate recombination frequency, infer whether two loci are linked, and explain why a value near one half changes your interpretation.
# [[English:Pedigree Transfer Task|Pedigree Transfer Task]]: Compare fictional autosomal, X-linked, and mitochondrial pedigrees, infer the most consistent transmission pattern, and identify at least one alternative explanation or uncertainty.
# [[English:Genetics Communication Assessment|Genetics Communication Assessment]]: Write a short public-information text that explains why genetic probability is not genetic destiny and why complex traits should not be reduced to one-gene claims.

<br>
<br>

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= Evidence of Learning =

# '''Knowledge:''' You can explain Mendel's experimental logic, segregation, independent assortment, dominance relationships, linkage, recombination, epistasis, polygenic inheritance, sex linkage, mitochondrial inheritance, and imprinting.
# '''Skills:''' You can build and interpret Punnett squares, calculate probabilities and recombination frequencies, read pedigrees, compare expected with observed data, and select an appropriate genetic model.
# '''Products:''' You can produce diagrams, simulations, graphs, pedigrees, videos, reports, genetic maps, and evidence-based explanations that use accurate terminology.
# '''Scientific reasoning:''' You can state assumptions, distinguish genotype from phenotype, separate dominance from gene frequency or biological value, and explain why random sampling causes deviations from expected ratios.
# '''Transfer:''' You can apply inheritance concepts to unfamiliar plant, animal, laboratory, medical, or conservation contexts while communicating uncertainty and respecting genetic privacy.

<br>
<br>

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= OERs on the Topic =

<iframe> https://en.m.wikipedia.org/wiki/Mendelian_inheritance </iframe>

<br>

For deeper study, use these open and reliable resources:
# [https://openstax.org/books/biology-2e/pages/12-1-mendels-experiments-and-the-laws-of-probability OpenStax Biology 2e: Mendel's Experiments and the Laws of Probability]
# [https://openstax.org/books/biology-2e/pages/12-3-laws-of-inheritance OpenStax Biology 2e: Laws of Inheritance]
# [https://openstax.org/books/concepts-biology/pages/8-3-extensions-of-the-laws-of-inheritance OpenStax Concepts of Biology: Extensions of the Laws of Inheritance]
# [https://www.genome.gov/genetics-glossary/Mendelian-Inheritance National Human Genome Research Institute: Mendelian Inheritance]
# [https://www.genome.gov/genetics-glossary/Genetic-Imprinting National Human Genome Research Institute: Genetic Imprinting]

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= Linked Learning Areas =

{| align=center
{{:D-Tab}}
'''[[English:Mendelian and Non-Mendelian Genetics|Mendelian and Non-Mendelian Genetics]]'''
# [[English:Gregor Mendel|Gregor Mendel]]
# [[English:Gene|Gene]]
# [[English:Allele|Allele]]
# [[English:Genotype and phenotype|Genotype and phenotype]]
# [[English:Mendelian inheritance|Mendelian inheritance]]
# [[English:Law of segregation|Law of segregation]]
# [[English:Independent assortment|Independent assortment]]
# [[English:Punnett square|Punnett square]]
# [[English:Meiosis|Meiosis]]
# [[English:Genetic linkage|Genetic linkage]]
# [[English:Recombination|Recombination]]
# [[English:Incomplete dominance|Incomplete dominance]]
# [[English:Codominance|Codominance]]
# [[English:Epistasis|Epistasis]]
# [[English:Polygenic inheritance|Polygenic inheritance]]
# [[English:Sex-linked inheritance|Sex-linked inheritance]]
# [[English:Mitochondrial inheritance|Mitochondrial inheritance]]
# [[English:Genomic imprinting|Genomic imprinting]]
|}

This topic connects classical genetics with [[English:Cell biology|cell biology]], [[English:Molecular biology|molecular biology]], [[English:Probability|probability]], [[English:Statistics|statistics]], [[English:Evolution|evolution]], [[English:Medicine|medicine]], [[English:Agriculture|agriculture]], [[English:Bioethics|bioethics]], and [[English:Biotechnology|biotechnology]]. These links are especially useful when you move from idealized crosses to real biological data.

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= aiMOOC Projects =
[[Category:English]]
[[Category:Mendelian and Non-Mendelian Genetics]]
[[Category:Biology]]
[[Category:Genetics]]
[[Category:Life sciences]]
[[Category:Grades 11-13]]
[[Category:AI_MOOC]]
[[Category:GPT aiMOOC]]
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English:Mendelian and Non-Mendelian Genetics - Versionsgeschichte

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