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首页> 外文期刊>Evolutionary biology >Do Monozygotic Twins Have Higher Genetic Quality than Dizygotic Twins and Singletons? Hints from Attractiveness Ratings and Self-Reported Health
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Do Monozygotic Twins Have Higher Genetic Quality than Dizygotic Twins and Singletons? Hints from Attractiveness Ratings and Self-Reported Health

机译:单卵双胞胎是否具有比Dizygotic Twins和Singletons更高的遗传品质? 吸引力评级和自我报告的健康提示

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摘要

Evolutionary theories generally concur that sexual reproduction and genetic recombination evolved to maximize genetic variability. Thus, the existence of monozygotic (MZ) twins, which do not take advantage of genetic recombination for each offspring, poses a puzzle. Evolutionary logic of inclusive fitness suggests that parents with high-quality genes may be more likely to produce MZ twins. Analyses of data from the National Longitudinal Study of Adolescent to Adult Health show that MZ twins were significantly more physically attractive and healthier than dizygotic (DZ) twins and singletons. These results suggest that MZ twins may possess higher-quality genes than DZ twins and singletons, and support one of the first evolutionary theories of MZ twinning that specifies its ultimate functions.
机译:进化理论通常同样调节性生殖和遗传重组的发展,以最大化遗传变异性。 因此,单卵(MZ)双胞胎的存在,该双胞胎不利用每个后代的遗传重组,造成难题。 包容性健身的进化逻辑表明,具有高质量基因的父母可能更有可能产生MZ双胞胎。 来自青少年对成人健康的国家纵向研究的数据分析表明,MZ双胞胎比Dizygotic(DZ)双胞胎和单身人士更具身体吸引力和更健康。 这些结果表明,MZ双胞胎可能具有比DZ双胞胎和单身的更高质量的基因,并支持MZ Twinning的第一个进化理论之一,指定其最终功能。

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