Female x male interactions in Drosophila sperm competition.
basic_science · Level V
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- Record sourced from PubMed, PMID 9880253.
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Abstract
In several organisms, the success of a male's sperm in multiply inseminated females depends on the male's genotype. In Drosophila, the female also plays a role in determining which sperm are successful. Pairwise tests among six isogenic lines of Drosophila 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.
Medical subject headings
- Biological Evolution
- Drosophila melanogaster
- Sexual Behavior, Animal
- Spermatozoa