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Article

Sperm wars and the evolution of male fertility

15 Sept 2012

Abstract excerpt

Females frequently mate with several males, whose sperm then compete to fertilize available ova. Sperm competition represents a potent selective force that is expected to shape male expenditure on the ejaculate. Here, we review empirical data that illustrate the evolutionary consequences of sperm competition. Sperm competition favors the evolution of increased testes size and sperm production. In some species,...

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PMID: 22984191
DOI: 10.1530/rep-12-0285

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