A model for the evolution of assortative mating

M. De Cara, N.H. Barton, M. Kirkpatrick, American Naturalist 171 (2008) 580–596.

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Abstract
Many animals and plants show a correlation between the traits of the individuals in the mating pair, implying assortative mating. Given the ubiquity of assortative mating in nature, why and how it has evolved remain open questions. Here we attempt to answer these questions in those cases where the trait under assortment is the same in males and females. We consider the most favorable scenario for assortment to evolve, where the same trait is under assortment and viability selection. We find conditions for assortment to evolve using a multilocus formalism in a haploid population. Our results show how epistasis in fitness between the loci that control the focal trait is crucial for assortment to evolve. We then assume specific forms of assortment in haploids and diploids and study the limiting cases of selective and nonselective mating. We find that selection for increased assortment is weak and that where increased assortment is costly, it does not invade.
Publishing Year
Date Published
2008-05-01
Journal Title
American Naturalist
Volume
171
Issue
5
Page
580 - 596
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De Cara M, Barton NH, Kirkpatrick M. A model for the evolution of assortative mating. American Naturalist. 2008;171(5):580-596. doi:10.1086/587062
De Cara, M., Barton, N. H., & Kirkpatrick, M. (2008). A model for the evolution of assortative mating. American Naturalist, 171(5), 580–596. https://doi.org/10.1086/587062
De Cara, Maria, Nicholas H Barton, and Mark Kirkpatrick. “A Model for the Evolution of Assortative Mating.” American Naturalist 171, no. 5 (2008): 580–96. https://doi.org/10.1086/587062.
M. De Cara, N. H. Barton, and M. Kirkpatrick, “A model for the evolution of assortative mating,” American Naturalist, vol. 171, no. 5, pp. 580–596, 2008.
De Cara M, Barton NH, Kirkpatrick M. 2008. A model for the evolution of assortative mating. American Naturalist. 171(5), 580–596.
De Cara, Maria, et al. “A Model for the Evolution of Assortative Mating.” American Naturalist, vol. 171, no. 5, University of Chicago Press, 2008, pp. 580–96, doi:10.1086/587062.

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