来自《耶鲁大学开放课程：心理学导论 第18集》

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  or two of what's called the short allele on the serotonin transporter gene--
  有一个或两个等位基因的人
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  so this is a particular variation on the serotonin transporter gene--
  这是血清素传递基因上的一个特殊变化
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  if they had one or two of these short alleles
  如果他们有这样一个或两个等位基因
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  and they were confronted with stress,
  当他们面对压力的时候
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  they were more likely to develop depression.
  他们更容易发展成抑郁症
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  But it's important to sort of dissect this.
  但重要的是还需要深入研究
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  So people who had--it didn't really matter which of these genes you had.
  这并不真的与你有什么样的基因有关
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  If you were never confronted with major kinds of stress,
  如果你从来没有遭遇重大压力
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  like maltreatment, if you weren't confronted with stress,
  比如虐待之类的 如果你没有面临这些压力
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  you were no more likely to have depression regardless of
  你并不比别人有更大可能性患上抑郁症
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  what kind of serotonin gene you had.
  不管你有什么样的血清素基因
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  But if you had either one short allele or two short alleles
  但是如果你有一个或者两个短的等位基因