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Mate-sampling costs and sexy sons

Kokko, H.; Booksmythe, I.; Jennions, M. D.


Costly female mating preferences for purely Fisherian male traits (i.e. sexual ornaments that are genetically uncorrelated with inherent viability) are not expected to persist at equilibrium. The indirect benefit of producing 'sexy sons' (Fisher process) disappears: in some models, the male trait becomes fixed; in others, a range of male trait values persist, but a larger trait confers no net fitness advantage because it lowers survival. Insufficient indirect selection to counter the direct...[Show more]

CollectionsANU Research Publications
Date published: 2014-11-16
Type: Journal article
Source: Journal of Evolutionary Biology
DOI: 10.1111/jeb.12532


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