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In promiscuous fruit flies, the last male to inseminate a female has a fertilising advantage. Recent evidence indicates that this happens because females eject previously stored semen after a new copulation, revealing female bias in sperm use and the resulting battle of the sexes over fertilisation.

Original publication

DOI

10.1016/j.cub.2004.06.040

Type

Journal article

Journal

Curr Biol

Publication Date

13/07/2004

Volume

14

Pages

R511 - R513

Keywords

Animals, Biological Evolution, Drosophila melanogaster, Female, Male, Selection, Genetic, Semen, Sexual Behavior, Animal, Spermatozoa