Heritability of pre-adult viability differences can explain apparent heritability of sperm displacement ability in Drosophila melanogaster.

Abstract excerpt

Sperm displacement has been the subject of a large number of evolutionary studies because of its effects on relative male reproductive success. To understand better the evolutionary role of variation in sperm displacement ability (SDA), an obvious aim is to measure its heritability. In this paper, we show that a standard method used to measure the heritability of SDA can be misleading. First, we show that using...

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