The effect of sexual selection on offspring fitness depends on the nature of genetic variation.

Abstract excerpt

Whether the changes brought about by sexual selection are, on the whole, congruent or incongruent with the changes favored by natural selection is a fundamentally important question in evolutionary biology. Although a number of theoretical models have assumed that sexual selection reinforces natural selection [1, 2], others assume these forces are in opposition [3-5]. Empirical results have been mixed (see...

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