Evolution: sperm ejection near and far.

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.

Detalles Bibliográficos
Autor Principal: Pizzari, T
Formato: Journal article
Idioma:English
Publicado: 2004
Descripción
Summary: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.