Sexual selection and mating systems

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Sexual selection is among the most powerful of all evolutionary forces. It occurs when individuals within one sex secure mates and produce offspring at the expense of other individuals within the same sex. Darwin was first to recognize the power of sexual selection to change male and female phenotypes, and, in noting that sexual selection is nonubiquitous, Darwin was also first to recognize the importance of mating systems-the "special circumstances" in which reproduction occurs within species. Analyses of mating systems since Darwin have emphasized either the genetic relationships between male and female mating elements, usually among plants, or the numbers of mates males and females may obtain, usually among animals. Combining these schemes yields a quantitative methodology that emphasizes measurement of the sex difference in the variance in relative fitness, as well as phenotypic and genetic correlations underlying reproductive traits that may arise among breeding pairs. Such information predicts the degree and direction of sexual dimorphism within species, it allows the classification of mating systems using existing genetic and life history data, and with information on the spatial and temporal distributions of fertilizations, it may also predict floral morphology in plants. Because this empirical framework identifies selective forces and genetic architectures responsible for observed male-female differences, it complements discoveries of nucleotide sequence variation and the expression of quantitative traits. Moreover, because this methodology emphasizes the process of evolutionary change, it is easier to test and interpret than frameworks emphasizing parental investment in offspring and its presumed evolutionary outcomes.

Original languageEnglish (US)
Title of host publicationTwo Centuries of Darwin
PublisherNational Academy of Sciences
Pages191-212
Number of pages22
Volume3
ISBN (Print)9780309139861
DOIs
StatePublished - Dec 30 2009

Fingerprint

mating systems
sexual selection
Animals
Nucleotides
Sex Characteristics
plant morphology
gender
phenotypic correlation
reproductive traits
fertilization (reproduction)
Systems Analysis
quantitative traits
Fertilization
gender differences
sexual dimorphism
genetic correlation
genetic relationships
Breeding
Reproduction
complement

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Shuster, S. M. (2009). Sexual selection and mating systems. In Two Centuries of Darwin (Vol. 3, pp. 191-212). National Academy of Sciences. https://doi.org/10.17226/12692

Sexual selection and mating systems. / Shuster, Stephen M.

Two Centuries of Darwin. Vol. 3 National Academy of Sciences, 2009. p. 191-212.

Research output: Chapter in Book/Report/Conference proceedingChapter

Shuster, SM 2009, Sexual selection and mating systems. in Two Centuries of Darwin. vol. 3, National Academy of Sciences, pp. 191-212. https://doi.org/10.17226/12692
Shuster SM. Sexual selection and mating systems. In Two Centuries of Darwin. Vol. 3. National Academy of Sciences. 2009. p. 191-212 https://doi.org/10.17226/12692
Shuster, Stephen M. / Sexual selection and mating systems. Two Centuries of Darwin. Vol. 3 National Academy of Sciences, 2009. pp. 191-212
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