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13 Cards in this Set
- Front
- Back
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Mendelian genetics
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Monogenetic
Simple relationship |
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Complex traits
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Polygenetic
Complex relationship between genotype and phenotype |
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What are two factors which could particularly influence complex traits?
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The environment
Multiple genes (epistasis) Variable expressivity Randomness |
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What is heritability?
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A trait in a population which has observable differences between individuals
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Vt =
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Vg + Ve
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Vg stands for
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Genetic variation
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What are the two types of genetic variation?
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Additive and non-additive
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H2 =
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Vg/Vt
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h2 =
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Va/Vp
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What does h2 predict?
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Response to selection
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What does a high H2 result in?
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More accurate reflection of genotype so genes can be identified more easily
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Why does linkage decay over time?
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Genetic drift
Natural selection Gene flow Founder effects |
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If y = bx + c, which letter represents heritability?
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b
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