F13 lecture 13

Heritability the extent to which resemblance among

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Unformatted text preview: VI •  VA = addi2ve gene2c variance •  VD = dominance variance •  VI = interac2on or epista2c variance VA •  addi2ve gene2c variance •  most important in sexually reproducing species in determining change in phenotypic mean from genera2on to genera2on •  easiest variance component to es2mate using resemblance among rela2ves •  if VD and VI are both zero –  offspring mean is mean of parents calcula2ng VA If no dominance (d=0) additive genetic variance is maximized at p = q = 0.5 VD = (2pqd)2 by definition, terms are squared because they represent squared deviations squares are used becaus...
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This document was uploaded on 02/27/2014.

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