来自《耶鲁大学开放课程：心理学导论 第13集》

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  so whether you would accept
  你是否接受
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  that a child of a Jewish man and a non-Jewish woman
  一个犹太男人和一个非犹太女人
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  is Jewish.
  生个犹太小孩
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  Similarly, categories like African American and white and Asian
  同样的 黑人 白人还是亚裔的分类
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  often overlap broad genetic categories
  通常比遗传分类更多重叠
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  and they don't make fully coherent genetic sense.
  他们并没有完全一致的遗传意义
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  At the same time though,
  而与此同时
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  there is plainly some genetic differences across human groups
  的确在人群之间有一些基因差异
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  and say with regard to vulnerability to disease.
  以至于基因缺陷会导致疾病
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  Ashkenazi Jews for instance are vulnerable to Tay-Sachs.
  例如德系犹太人易患家族黑蒙性白痴
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  And the fact that you could have this
  事实上这些
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  sort of genetic vulnerability suggests
  基因缺陷说明了