Genetic variance in reproductive timing contributes to trait evolvability.

Abstract excerpt

The additive genetic variance of a quantitative trait usually is interpreted as a measure of its evolvability, i.e., its capacity for adaptive evolution. However, in populations with overlapping generations, evolvability is also affected by the parental age at reproduction because genotypes that reproduce earlier evolve faster than genotypes with later reproduction. I show here that directional selection of a...

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