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首页> 外文期刊>Trends in Ecology & Evolution >The seminal symphony: how to compose an ejaculate
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The seminal symphony: how to compose an ejaculate

机译：精妙的交响曲：如何创作射精

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摘要

Ejaculates are fundamental to fitness in sexually reproducing animals: males gain all their direct fitness via the ejaculate and females require ejaculates to reproduce. Both sperm and non-sperm components of the ejaculate (including parasperm, seminal proteins, water, and macromolecules) play vital roles in postcopulatory sexual selection and conflict, processes that can potentially drive rapid evolutionary change and reproductive isolation. Here, we assess the increasing evidence that considering ejaculate composition as a whole (and potential trade-offs among ejaculate components) has important consequences for predictions about male reproductive investment and female responses to ejaculates. We review current theory and empirical work, and detail how social and environmental effects on ejaculate composition have potentially far-reaching fitness consequences for both sexes.
机译：射精对有性生殖动物的适应性至关重要：雄性通过射精获得所有直接适应性，雌性则需要射精来繁殖。射精的精子和非精子成分（包括精子，精蛋白，水和大分子）在交配后的性选择和冲突中都起着至关重要的作用，这些过程有可能推动快速的进化变化和生殖隔离。在这里，我们评估了越来越多的证据表明，从整体上考虑射精成分（以及射精成分之间的潜在权衡）对预测男性生殖投资和女性对射精的反应具有重要影响。我们回顾了当前的理论和实证研究，并详细说明了社会和环境对射精组成的影响如何对两性都有潜在的深远影响。

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