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Climate-driven population divergence in sex-determining systems

Author

Listed:
  • Ido Pen

    (Theoretical Biology Group, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands)

  • Tobias Uller

    (Edward Grey Institute, University of Oxford, South Parks Road, Oxford OX1 3PS, UK)

  • Barbara Feldmeyer

    (Theoretical Biology Group, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands
    Present address: Biodiversity and Climate Research Centre (BiK-F), Siesmayerstrasse 70A, D-60325 Frankfurt and Main, Germany.)

  • Anna Harts

    (Theoretical Biology Group, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands)

  • Geoffrey M. While

    (School of Zoology, Private Bag 5, University of Tasmania, Hobart 7001, Tasmania, Australia)

  • Erik Wapstra

    (School of Zoology, Private Bag 5, University of Tasmania, Hobart 7001, Tasmania, Australia)

Abstract

Sex determined by climate In vertebrates, sex can be determined either genetically or by the temperature experienced by the embryo, but the evolutionary causes of this variation remain poorly understood. Pen et al. show that a live-bearing lizard at different climatic extremes of its range uses different sex-determining mechanisms — temperature in the lowlands and genotype at higher altitudes. Divergent natural selection on sex determination by altitude is caused by climatic effects on lizard life history and variation in the magnitude of between-year temperature fluctuations. The results establish an adaptive explanation for intra-specific divergence in sex-determining systems.

Suggested Citation

  • Ido Pen & Tobias Uller & Barbara Feldmeyer & Anna Harts & Geoffrey M. While & Erik Wapstra, 2010. "Climate-driven population divergence in sex-determining systems," Nature, Nature, vol. 468(7322), pages 436-438, November.
    • Handle: RePEc:nat:nature:v:468:y:2010:i:7322:d:10.1038_nature09512
    DOI: 10.1038/nature09512
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    Cited by:

    1. Hammerstein, Peter & Leimar, Olof, 2015. "Evolutionary Game Theory in Biology," Handbook of Game Theory with Economic Applications,, Elsevier.

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