Article
Remating in Drosophila melanogaster: an examination of the trading-up and intrinsic male-quality hypotheses.
Journal of evolutionary biology - 1 Sept 2005
Byrne P G, Rice W R
Abstract excerpt
Female Drosophila melanogaster remate more frequently than necessary to ensure fertilization. We tested whether polyandrous females gain genetic benefits for their offspring by (1) selecting secondary sires of higher genetic-quality than original partners or (2) because post-copulatory mechanisms bias fertilizations towards genetically superior males. We screened 119 hemiclones of males for lifetime fitness then...
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