Sexual selection for genetic quality: disentangling the roles of male and female behaviour
Sexual selection for genetic quality: disentangling the roles of male and female behaviour
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遗传质量的性别选择：理清男性和女性行为的角色
DOI：
10.1016/j.anbehav.2009.09.003
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发表时间：
2009
期刊：
影响因子：
2.5
通讯作者：
J. Kotiaho
中科院分区：
文献类型：
--
作者：
Nina Pekkala;Mikael Puurtinen;J. Kotiaho
根据性选择的好基因模型，雌性选择遗传质量好的雄性以获得高适应度的后代。然而，更好的交配成功的高质量的男性也可以带来的男性之间的直接干扰竞争，或只是通过提高活动的高质量的男性。我们研究了不同的过程中的作用，导致性选择的遗传质量在果蝇蒙大拿州。我们通过电离辐射诱导突变来操纵雄性果蝇的遗传质量。然后，我们在两个实验中记录了遗传杂合突变对雄性和雌性交配行为几个方面的影响。我们发现突变降低了求偶的可能性，延长了雄性求偶的潜伏期，这表明雄性活动在遗传质量的选择中起着重要作用。然而，突变对果蝇交配成功率和交配行为的影响一般较弱。没有证据表明女性择偶或男性之间的干扰竞争行为对遗传突变被发现。
According to the good genes model of sexual selection, females choose males of good heritable genetic quality to obtain offspring with high fitness. However, better mating success of high-quality males can also be brought about by direct interference competition between males, or simply through elevated activity of high-quality males. We examined the roles of different processes leading to sexual selection for genetic quality in Drosophila montana. We manipulated genetic quality of male flies by inducing mutations with ionizing radiation. We then recorded the effects of inherited heterozygous mutations on several aspects of mating behaviour of males and females in two experiments. We found that mutations reduced the probability of courtship and extended the latency to courtship of the males, suggesting male activity plays a role in selection for genetic quality. However, the effects of mutations on mating success and mating behaviour of the flies were in general weak. No evidence for female mate choice or interference competition between males acting against heritable mutations was found.