Martin Ingvar, a professor of neurophysiology at Karolinska Institute, said the results were "very exciting."

　　卡罗林斯卡学院的神经生理学教授马丁.英格瓦说，研究结果十分“令人激动”。

　　"These are original findings which shed light on the fact that all of our behaviours are influenced by both nature and nurture. Even complex, cultural social phenomens such as marriage are influenced by a person's genetic make-up," Ingvar said.

　　他说：“这些最新发现让我们认识到，人的所有行为都受到先天和后天两大因素的双重影响。即便是婚姻这种复杂的文化社会现象也受到人基因组成的影响。”

　　The same gene has previously been linked to monogamous behaviour in male voles, a mouselike rodent.

　　此前有研究发现，334型等位基因与雄性田鼠对配偶的忠贞度有关。

　　The results of the study were published Tuesday in the US scientific journal Proceedings of the National Academy of Sciences (PNAS).

　　该研究结果于本周二在美国美国国家科学院院报上发表。