Article
Postmating sexual selection favors males that sire offspring with low fitness.
Science (New York, N.Y.) - 26 Jun 2009
Bilde Trine, Foged Anne, Schilling Nadia, Arnqvist Göran
Abstract excerpt
Despite the costs of mating, females of most taxa mate with multiple males. Polyandrous females are hypothesized to gain genetic benefits for their offspring, but this assumes paternity bias favoring male genotypes that enhance offspring viability. We determined net male genetic effects on female and offspring fitness in a seed beetle and then tested whether fertilization success was biased in favor of...
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