Article
Male phenotypic quality influences offspring sex ratio in a polygynous ungulate.
Proceedings. Biological sciences - 7 Mar 2007
Røed Knut H, Holand Øystein, Mysterud Atle, Tverdal Aage, Kumpula Jouko, Nieminen Mauri
Abstract excerpt
Evolutionary models of sex ratio adjustment applied to mammals have ignored that females may gain indirect genetic benefits from their mates. The differential allocation hypothesis (DAH) predicts that females bias the sex ratio of their offspring towards (more costly) males when breeding with an attractive male. We manipulated the number of available males during rut in a polygynous ungulate species, the reindeer...
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