Article
Differential gene regulation in selected lines for high and low sperm production in male guppies.
Molecular reproduction and development - 1 Apr 2020
Cattelan Silvia, Vidotto Michele, Devigili Alessandro, Pilastro Andrea, Grapputo Alessandro
Abstract excerpt
In species where females mate with more than one male during the same reproductive event, males typically increase the number of sperm produced to boost their fertilization share. Sperm is not limitless, however, and theory predicts that their production will come at the cost of other fitness-related traits, such as body growth or immunocompetence, although these evolutionary trade-offs are notoriously difficult...
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