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Rapid Changes in the Sex Linkage of Male Coloration in Introduced Guppy Populations

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Gordon, S., Lopez Sepulcre, A., Rumbo, D., & Reznick, D. N. (2017). Rapid Changes in the Sex Linkage of Male Coloration in Introduced Guppy Populations. American Naturalist, 189(2), 196-200. https://doi.org/10.1086/689864
Published in
American Naturalist
Authors
Gordon, Swanne |
Lopez Sepulcre, Andres |
Rumbo, Diana |
Reznick, David N.
Date
2017
Discipline
Ekologia ja evoluutiobiologiaBiologisten vuorovaikutusten huippututkimusyksikköEcology and Evolutionary BiologyCentre of Excellence in Biological Interactions Research
Copyright
© 2016 by The University of Chicago. Published in this repository with the kind permission of the publisher.

 
Theory predicts that the sex linkage of sexually selected traits can influence the direction and rate of evolution and should itself evolve in response to sex-specific selection. Some studies have found intraspecific differences in sex linkage associated with differences in selection pressures, but we know nothing about how fast these differences can evolve. Here we show that introduced guppy populations showing rapid evolution of male coloration also show rapid changes in sex-linkage patterns. A comparison, using hormonal manipulations in females, of introduced populations of different ages suggests a consistent increase of autosomal or X-linked coloration 2 years after introduction from high- to low-predation environments. Twenty years after introduction, populations already show the same pattern of coloration inheritance typical of natural low-predation populations in similar habitats. These results highlight that the contemporary evolution of sexually selected traits ought to be studied in concert with contemporary changes in linkage relationships. ...
Publisher
University of Chicago Press; American Society of Naturalists
ISSN Search the Publication Forum
0003-0147
Keywords
poecilia reticulata rapid evolution sex linkage
DOI
https://doi.org/10.1086/689864
URI

http://urn.fi/URN:NBN:fi:jyu-201707063242

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/26389263

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