关于求偶场悖论的解决
On the resolution of the lek paradox.
作者信息
Kotiaho Janne S, LeBas Natasha R, Puurtinen Mikael, Tomkins Joseph L
机构信息
Department of Biological and Environmental Science, PO Box 35, 40014 University of Jyväskylä, Jyväskylä, Finland.
出版信息
Trends Ecol Evol. 2008 Jan;23(1):1-3. doi: 10.1016/j.tree.2007.09.012.
Directional female mate choice is expected to deplete additive genetic variation in male traits. This should preclude such trait-based choice from resulting in genetic benefits to offspring, and yet genetic benefits are the explanation for the choice. This evolutionary conundrum is known as the lek paradox. Newly proposed resolutions to this paradox aim to unravel mechanisms that contribute to the persistence of genetic variance in traits under directional female mate choice.
雌性的定向择偶行为预计会消耗雄性性状中的加性遗传变异。这应该会使基于性状的择偶行为无法为后代带来遗传益处，然而遗传益处却是这种择偶行为的解释依据。这种进化难题被称为“lek悖论”。针对这一悖论新提出的解决方案旨在揭示在雌性定向择偶行为下有助于性状遗传变异持续存在（保持）的机制。
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