A Paradox of Genetic Variance in Epigamic Traits: Beyond "Good Genes" View of Sexual Selection

Radwan J, Engqvist L, Reinhold K (2016)
EVOLUTIONARY BIOLOGY 43(2): 267-275.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Maintenance of genetic variance in secondary sexual traits, including bizarre ornaments and elaborated courtship displays, is a central problem of sexual selection theory. Despite theoretical arguments predicting that strong sexual selection leads to a depletion of additive genetic variance, traits associated with mating success show relatively high heritability. Here we argue that because of trade-offs associated with the production of costly epigamic traits, sexual selection is likely to lead to an increase, rather than a depletion, of genetic variance in those traits. Such trade-offs can also be expected to contribute to the maintenance of genetic variation in ecologically relevant traits with important implications for evolutionary processes, e.g. adaptation to novel environments or ecological speciation. However, if trade-offs are an important source of genetic variation in sexual traits, the magnitude of genetic variation may have little relevance for the possible genetic benefits of mate choice.
Stichworte
Sexual selection; Mate choice; Heritability; Maintenance of genetic; variance; Trade-offs; Sexual conflict
Erscheinungsjahr
2016
Zeitschriftentitel
EVOLUTIONARY BIOLOGY
Band
43
Ausgabe
2
Seite(n)
267-275
ISSN
0071-3260
eISSN
1934-2845
Page URI
https://pub.uni-bielefeld.de/record/2904067

Zitieren

Radwan J, Engqvist L, Reinhold K. A Paradox of Genetic Variance in Epigamic Traits: Beyond "Good Genes" View of Sexual Selection. EVOLUTIONARY BIOLOGY. 2016;43(2):267-275.
Radwan, J., Engqvist, L., & Reinhold, K. (2016). A Paradox of Genetic Variance in Epigamic Traits: Beyond "Good Genes" View of Sexual Selection. EVOLUTIONARY BIOLOGY, 43(2), 267-275. doi:10.1007/s11692-015-9359-y
Radwan, J., Engqvist, L., and Reinhold, K. (2016). A Paradox of Genetic Variance in Epigamic Traits: Beyond "Good Genes" View of Sexual Selection. EVOLUTIONARY BIOLOGY 43, 267-275.
Radwan, J., Engqvist, L., & Reinhold, K., 2016. A Paradox of Genetic Variance in Epigamic Traits: Beyond "Good Genes" View of Sexual Selection. EVOLUTIONARY BIOLOGY, 43(2), p 267-275.
J. Radwan, L. Engqvist, and K. Reinhold, “A Paradox of Genetic Variance in Epigamic Traits: Beyond "Good Genes" View of Sexual Selection”, EVOLUTIONARY BIOLOGY, vol. 43, 2016, pp. 267-275.
Radwan, J., Engqvist, L., Reinhold, K.: A Paradox of Genetic Variance in Epigamic Traits: Beyond "Good Genes" View of Sexual Selection. EVOLUTIONARY BIOLOGY. 43, 267-275 (2016).
Radwan, Jacek, Engqvist, Leif, and Reinhold, Klaus. “A Paradox of Genetic Variance in Epigamic Traits: Beyond "Good Genes" View of Sexual Selection”. EVOLUTIONARY BIOLOGY 43.2 (2016): 267-275.

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