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Female choice for heterozygous mates changes along successive matings in a lizard

MPG-Autoren
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Eizaguirre,  Christophe
Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Zitation

Laloi, D., Eizaguirre, C., Fédérici, P., & Massot, M. (2011). Female choice for heterozygous mates changes along successive matings in a lizard. Behavioural Processes, 88(3), 149-154. doi:10.1016/j.beproc.2011.08.011.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-D391-D
Zusammenfassung
Female mate choice and female multiple mating are major focuses of studies on sexual selection. In a multiple mating context, the benefits of mate choice can change along successive matings, and female choice would be expected to change accordingly. We investigated sequential female mate choice in the moderately polyandrous common lizard (Zootoca vivipara, synonym Lacerta vivipara). Along successive mating opportunities, we found that females were relatively unselective for the first mate, but accepted males of higher heterozygosity for subsequent mating, consistent with the trade-up choice hypothesis. We discuss the evidence of trade-up mate choice in squamates and generally trade-up for mate heterozygosity in order to motivate new studies to fill gaps on these questions.