The role of sexual preferences in intrasexual female competition

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  • Frame, Alicia M
    • Affiliation: College of Arts and Sciences, Department of Biology
Abstract
  • Abstract Background While search costs have long been understood to affect the evolution of female preference, other costs associated with mating have been the focus of much less attention. Here I consider a novel mate choice cost: female-female intrasexual competition, that is, when females compete with each other for mates. This competition results in cost to female fecundity, such as a reduction in fertility due to decreased direct benefits, sperm limitation, or time and resources spent competing for a mate. I asked if female-female competition affects the evolution of preferences, and further, if the presence of multiple, different, preferences in a population can reduce competitive costs. Results Using population genetic models of preference and trait evolution, I found that intrasexual competition leads to direct selection against female preferences, and restricts the parameter space under which preference may evolve. I also examined how multiple, different, preferences affected preference evolution with female intrasexual competition. Conclusions Multiple preferences primarily serve to increase competitive costs and decrease the range of parameters under which preferences may evolve.
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Resource type
  • Article
Rights statement
  • In Copyright
Rights holder
  • Alicia M Frame et al.; licensee BioMed Central Ltd.
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Journal title
  • BMC Evolutionary Biology
Journal volume
  • 12
Journal issue
  • 1
Page start
  • 218
Language
  • English
Is the article or chapter peer-reviewed?
  • Yes
ISSN
  • 1471-2148
Bibliographic citation
  • BMC Evolutionary Biology. 2012 Nov 14;12(1):218
Publisher
  • BioMed Central Ltd
Access right
  • Open Access
Date uploaded
  • January 22, 2013

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