他和同事测定了8000多条鳕鱼的基因型，研究两个鱼群中不同版本的基因，或者说等位基因的频率在1994年至2003年间是如何变化的。

He and his colleagues genotyped more than 8000 fish to find out how the frequency of different versions of the gene, or alleles, changed in the two populations between 1994 and 2003.

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研究小组发现，携带一个或两个这种名为“334型等位基因变种”的男性与没有这种基因变种的男性相比，对待婚姻或感情的态度有所不同。

The team found that men who carry one or two copies of a variant of the gene often behave differently in relationships than men who lack the gene variant, called allele 334.

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瓦卢姆说：“与不携带‘334型等位基因变种’男性的妻子相比，携带一个或两个此种基因变体男性的妻子对婚姻的满意度平均较低。”

"Women married to men who carry one or two copies of allele 334 were, on average, less satisfied with their relationship than women married to men who didn't carry this allele, " Walum said.

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