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Título

Cumulative frequency-dependent selective episodes allow for rapid morph cycles and rock-paper-scissors dynamics in species with overlapping generations

Autor San José, Luis M. ; Peñalver Alcázar, Miguel ; Milá, Borja ; González-Jimena, Virginia ; Fitze, Patrick S.
Palabras clave frequency-dependent selection
polymorphisms
sexual selection
evolutionary game theory
alternative strategies
Fecha de publicación 2014
EditorRoyal Society (Great Britain)
Citación Proceedings of the Royal Society of London - B 281 (1788): (2014)
ResumenRock-paper-scissors (RPS) dynamics, which maintain genetic polymorphisms over time through negative frequency-dependent (FD) selection, can evolve in short-lived species with no generational overlap, where they produce rapid morph frequency cycles. However, most species have overlapping generations and thus, rapid RPS dynamics are thought to require stronger FD selection, the existence of which yet needs to be proved. Here, we experimentally demonstrate that two cumulative selective episodes, FD sexual selection reinforced by FD selection on offspring survival, generate sufficiently strong selection to generate rapid morph frequency cycles in the European common lizard Zootoca vivipara, a multi-annual species with major generational overlap. These findings show that the conditions required for the evolution of RPS games are fulfilled by almost all species exhibiting genetic polymorphisms and suggest that RPS games may be responsible for the maintenance of genetic diversity in a wide range of species. © 2014 The Authors Published by the Royal Society. All rights reserved.
Versión del editorhttp://dx.doi.org/10.1098/rspb.2014.0976
URI http://hdl.handle.net/10261/99885
DOI10.1098/rspb.2014.0976
Identificadoresdoi: 10.1098/rspb.2014.0976
issn: 0962-8452
e-issn: 1471-2954
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