Quantitative Genetics

Thus the total genetic variation is the weighted

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Unformatted text preview: tain combinations of alleles (dominance and epistasis) then there is no guarantee that those same alleles will be in the same combinations next generation What really matters for next generation is the allele’s individual contribution to phenotype Parents pass on alleles – not whole genotypes Additive genetic variance is the component of genetic variance that “shows up” next generation Selection acts on phenotypic variance; the response to selection, ∆z, depends on how much of it is due to additive genetic effects Why care about additive effects? Parents don’t pass genotypes, they pass on alleles. Genotypes don’t remain steady in the population, random mating will occur associatio...
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This document was uploaded on 03/23/2014 for the course BIOL 185 at Georgetown.

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