Background check: mutational input to size variation depends on ancestor's breeding value.

Abstract excerpt

The phenotypic effects of mutations often depend on the genetic background, yet general patterns remain poorly resolved. Here, we tested whether same-population individuals (genotypes) with different breeding values for a polygenic trait differed in their contribution of new mutational variation to that trait. We analysed more than 44 000 wing-size measurements over 30 generations of mutation-drift evolution in...

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