Genetic constraints on the evolution of mate recognition under natural selection

Blows, M. W. and Higgie, M. (2003) Genetic constraints on the evolution of mate recognition under natural selection. American Naturalist, 161 2: 240-253. doi:10.1086/345783

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Author Blows, M. W.
Higgie, M.
Title Genetic constraints on the evolution of mate recognition under natural selection
Journal name American Naturalist   Check publisher's open access policy
ISSN 0003-0147
Publication date 2003-01-01
Year available 2003
Sub-type Article (original research)
DOI 10.1086/345783
Open Access Status File (Publisher version)
Volume 161
Issue 2
Start page 240
End page 253
Total pages 14
Place of publication Chicago, IL, United States
Publisher University of Chicago Press
Language eng
Subject C1
270799 Ecology and Evolution not elsewhere classified
779999 Other
Abstract Field populations of Drosophila serrata display reproductive character displacement in cuticular hydrocarbons (CHCs) when sympatric with Drosophila birchii. We have previously shown that the naturally occurring pattern of reproductive character displacement can be experimentally replicated by exposing field allopatric populations of D. serrata to experimental sympatry with D. birchii. Here, we tested whether the repeated evolution of reproductive character displacement in natural and experimental populations was a consequence of genetic constraints on the evolution of CHCs. The genetic variance-covariance (G) matrices for CHCs were determined for populations of D. serrata that had evolved in either the presence or absence of D. birchii under field and experimental conditions. Natural selection on mate recognition under both field and experimental sympatric conditions increased the genetic variance in CHCs consistent with a response to selection based on rare alleles. A close association between G eigenstructure and the eigenstructure of the phenotypic divergence (D) matrix in natural and experimental populations suggested that G matrix eigenstructure may have determined the direction in which reproductive character displacement evolved during the reinforcement of mate recognition.
Keyword Biodiversity Conservation
Natural Selection
Mate Recognition
G Matrix
Experimental Evolution
Variance-covariance Matrices
Directional Selection
Quantitative Genetics
Stabilizing Selection
Q-Index Code C1
Institutional Status UQ

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Created: Wed, 15 Aug 2007, 05:06:27 EST