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Article

Effect of male age on sperm traits and sperm competition success in the guppy (Poecilia reticulata)

13 Nov 2009

Abstract excerpt

Deleterious mutations can accumulate in the germline with age, decreasing the genetic quality of sperm and imposing a cost on female fitness. If these mutations also affect sperm competition ability or sperm production, then females will benefit from polyandry as it incites sperm competition and, consequently, minimizes the mutational load in the offspring. We tested this hypothesis in the guppy (Poecilia...

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PMID: 19912453
DOI: 10.1111/j.1420-9101.2009.01889.x

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