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DOI10.1016/j.tree.2019.12.002
Embryo Selection and Mate Choice: Can ‘Honest Signals’ Be Trusted?
McCoy D.E.; Haig D.
发表日期2020
ISSN0169-5347
起始页码308
结束页码318
卷号35期号:4
英文摘要When a measure becomes a target, it often ceases to be a good measure – an effect familiar from the declining usefulness of standardized testing in schools. This economic principle also applies to mate choice and, perhaps surprisingly, pregnancy. Just as females screen potential mates under many metrics, human mothers unconsciously screen embryos for quality. ‘Examinees’ are under intense selection to improve test performance by exaggerating formerly ‘honest’ signals of quality. Examiners must change their screening criteria to maintain useful information (but cannot abandon old criteria unilaterally). By the resulting ‘proxy treadmill’, new honest indicators arise while old degraded indicators linger, resulting in trait elaboration and exaggeration. Hormone signals during pregnancy show extreme evolutionary escalation (akin to elaborate mating displays). © 2019 Elsevier Ltd
关键词embryohonest signalingmate choiceparent-offspring interactionpregnancysexual selection
语种英语
来源机构Trends in Ecology and Evolution
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/133862
推荐引用方式
GB/T 7714		 McCoy D.E.,Haig D.. Embryo Selection and Mate Choice: Can ‘Honest Signals’ Be Trusted?[J]. Trends in Ecology and Evolution,2020,35(4).
APA McCoy D.E.,&Haig D..(2020).Embryo Selection and Mate Choice: Can ‘Honest Signals’ Be Trusted?.,35(4).
MLA McCoy D.E.,et al."Embryo Selection and Mate Choice: Can ‘Honest Signals’ Be Trusted?".35.4(2020).
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