The Good-Genes and Compatible-Genes Benefits of Mate Choice
Puurtinen, M., Ketola, T., & Kotiaho, J. S. (2009). The Good-Genes and Compatible-Genes Benefits of Mate Choice. The American Naturalist, 174(5), 741-752. https://doi.org/10.1086/606024
Published inThe American Naturalist
DisciplineEkologia ja evoluutiobiologiaEvoluutiotutkimus (huippuyksikkö)Ecology and Evolutionary BiologyCentre of Excellence in Evolutionary Research
© 2009 by The University of Chicago.
Genetic benefits from mate choice could be attained by choosing mates with high heritable quality (“good genes”) and that are genetically compatible (“compatible genes”). We clarify the conceptual and empirical framework for estimating genetic benefits of mate choice, stressing that benefits must be measured from offspring fitness because there are no unequivocal surrogates for genetic quality of individuals or for compatibility of parents. We detail the relationship between genetic benefits and additive and nonadditive genetic variance in fitness, showing that the benefits have been overestimated in previous verbal treatments. We point out that additive benefits readily arise from nonadditive gene action and that the idea of “heritable nonadditive benefits” is a misconception. We review the empirical evidence of the magnitude of benefits of good genes and compatible genes in animal populations, and we outline the most promising future directions for empirical research on the genetic benefits of mate choice. ...
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