White women sperm competition


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22 Aug For the sake of repetition, sperm competition is a context in which sperm from more than one male are present in a female's reproductive tract.

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White women sperm competition

Sperm competition enhances functional capacity of mammalian spermatozoa

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9 Jul "Males are sensitive to cues relating to varying levels of sperm competition and female fecundity and modulate their ejaculates accordingly,".

Description:The authors have declared that no competing interests exist. Conceived and designed the experiments: Received Jun 8; Accepted Jul This article has been cited by other articles in PMC. Abstract In species where females mate with multiple males, the sperm from these males must compete to fertilise available ova. Sexual selection from sperm competition is expected to favor opposing adaptations in males that function either in the avoidance of sperm competition by guarding females from rival males or in the engagement in sperm competition by increased expenditure on the ejaculate.

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Views: 2142 Date: 2018-03-21 Favorited: 77 favorites

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