Testing for genetic assimilation with phylogenetic comparative analysis: Conceptual, methodological, and statistical considerations.

Abstract excerpt

Genetic assimilation is a process that leads to reduced phenotypic plasticity during adaptation to novel conditions, a potentially important phenomenon under global environmental change. Null expectations when testing for genetic assimilation, however, are not always clear. For instance, the statistical artifact of regression to the mean could bias us toward detecting genetic assimilation when it has not...

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