Female × Male Interactions in Drosophila Sperm Competition

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Science  08 Jan 1999:
Vol. 283, Issue 5399, pp. 217-220
DOI: 10.1126/science.283.5399.217

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In several organisms, the success of a male's sperm in multiply inseminated females depends on the male's genotype. InDrosophila, the female also plays a role in determining which sperm are successful. Pairwise tests among six isogenic lines ofDrosophila melanogaster were performed to determine whether there is a genotype-specific interaction in the success of sperm. The success of a particular male's sperm was found to depend on the genotype of the female with which he mates, providing evidence for an interaction with profound evolutionary consequences.

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