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A Sterile Sperm Caste Protects Brother Fertile Sperm from Female-Mediated Death in Drosophila pseudoobscura

Holman, Luke; Snook, Rhonda


Spermicide (i.e., female-mediated sperm death) is an understudied but potentially widespread phenomenon that has important ramifications for the study of sexual conflict, postcopulatory sexual selection, and fertility [1, 2]. Males are predicted to evolve adaptations against spermicide, but few antispermicidal mechanisms have been definitively identified. One such adaptation may be the enigmatic infertile sperm morphs or "parasperm" produced by many species, which have been hypothesized to...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Current Biology
DOI: 10.1016/j.cub.2008.01.048


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