Chunk #24 — Model — Genotypic Values — Single Locus with Arbitrary Dominance

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Data and theory point to mainly additive genetic variance for complex traits.

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Hence E(V A) = a 2/3 +d 2/15 and E(V D) = 2d 2/15, giving E(VA)/E(VG) = 1−2d 2/(5a 2+3d 2).