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首页> 外文期刊>Trends in Ecology & Evolution >Kin-selected cooperation without lifetime monogamy: human insights and animal implications
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Kin-selected cooperation without lifetime monogamy: human insights and animal implications

机译:没有终身一夫一妻制的亲属选择合作:人类洞察力和动物意义

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摘要

Recent phylogenetic analyses suggest that monogamy precedes the evolution of cooperative breeding involving non-breeding helpers. The rationale: only through monogamy can helper recipient relatedness coefficients match those of parent offspring. Given that humans are cooperative breeders, these studies imply a monogamy bottleneck during hominin evolution. However, evidence from multiple sources is not compelling. In reconciliation, we propose that selection against cooperative breeding under alternative mating patterns will be mitigated by: (i) kin discrimination, (ii) reduced birth-intervals, and (iii) constraints on independent breeding, particularly for premature and post-fertile individuals. We suggest that such alternatives require consideration to derive a complete picture of the selection pressures acting on the evolution of cooperative breeding in humans and other animals.
机译:最近的系统发育分析表明,一夫一妻制先于涉及非育种辅助者的合作育种的发展。基本原理:只有一夫一妻制才能使受助者的亲缘关系系数与父母后代的相匹配。考虑到人类是合作育种者,这些研究暗示了人源素进化过程中的一夫一妻制瓶颈。但是,来自多个来源的证据并不具有说服力。在和解中,我们建议通过以下方式减轻选择其他交配方式下的合作繁殖的选择:(i)亲属歧视;(ii)减少生育间隔;(iii)限制独立繁殖,特别是对于早产和受精后的个体。我们建议,这些替代方案需要考虑以得出关于选择压力对人类和其他动物的合作育种进化的作用的完整描述。

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