Among men who carried two copies of the gene variant, about a third had experienced a serious relationship crisis in the past year, double the number seen in the men who did not carry the variant.

其中携带两个变异基因副本的人，有三分之一在过去一年里经历了严重的婚姻危机，而无此变异基因的男子只有六分之一有同样经历。

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This design, a variant on the double armchair style and just as lightly padded, was short-lived in France.

这种设计，双人扶手椅的变体以及少量的填充物，在法国昙花一现。

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The risk variant of the FTO gene (fat mass and obesity associated) is common in the general population. 17 percent have double copies, meaning they have inherited it from both parents.

各种肥胖和肥胖相关的风险基因广泛存在于普通于人群中。

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Once a variant looks like it might be a cause of disease, it is double-checked using Sanger sequencing, the older, more expensive process that was used to create the original draft of the human genome a decade ago.

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