A fisher pge gadditive dominance interaction ie

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Unformatted text preview: is called dominance • Actually matters if it is now present Epistasis: when the effect of one locus affects another locus Attempt to partition phenotypic variance • We are attempting to assign cause to variation R.A. Fisher P=G+E G=Additive + Dominance + Interaction (i.e. epistasis) Heritability Wright- Castle developed a measure of heritability Narrow sense h^2= V_A/V_P • heritability due to additive genes • the proportion of phenotypic variance that can be accounted for by variance of additive effects • Depends on the environmental variance...
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