The researchers compared the findings to other Ashkenazi Jews whose family members did not live as long. In the control group, they say, no one had the mutations.

研究人员把他们发现差异的基因和其他相对寿命较短的德系犹太人家庭成员的基因做对比，但是观察小组研究员却没有发现任何一个出现过变异的基因。

youdao

If that turns out to be the case, it will strengthen the idea that, albeit unwillingly, Ashkenazi Jews have been part of an accidental experiment in eugenics. It has brought them some advantages.

尽管有人不愿接受，假如确实如此的话，它将有力地证明，德系犹太人在不经意间经历了优生实验，而这为他们带来了智商上的优势。

youdao

This may be partly because Ashkenazi Jews are already used to genetic testing.

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But Dr Laufer said if this applied to the Ashkenazi Jews it should be accompanied by a higher than usual miscarriage rate.

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Ten years ago scientists had no other way to track down genes than by combing through large, well-documented family trees, such as those of Mormons, or of relatively inbred populations, such as the Ashkenazi Jews from Europe. (Inbreeding makes gene mutations easier to find.) Such genealogical searches take years.

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