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首页> 外文期刊>Current directions in psychological science: a journal of the American Psychological Society >The Evolutionary Persistence of Genes That Increase Mental Disorders Risk
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The Evolutionary Persistence of Genes That Increase Mental Disorders Risk

机译:增加精神障碍风险的基因的进化持久性

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摘要

Natural selection constantly removes those genetic variants (alleles) that even slightly decrease average reproductive success. Yet, given the high heritabilities and prevalence rates of severe mental disorders, human populations seem to be awash in deleterious alleles. Evolutionary genetics offers an illuminating framework for understanding why mental disorder risk alleles have persisted despite natural selection, and this framework can help guide future research in behavioral and psychiatric genetics.
机译:自然选择会不断去除那些甚至会稍微降低平均繁殖成功率的遗传变异(等位基因)。然而,鉴于严重的精神障碍的高遗传力和患病率,人类似乎充满了有害的等位基因。进化遗传学提供了一个有启发性的框架,用于理解为什么尽管自然选择,精神疾病风险等位基因仍会持续存在,并且该框架可以帮助指导行为和精神病学遗传学的未来研究。

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