It could be the perfect excuse for cheating spouses who are caught out: infidelity may be inherited. Both men and women may be more likely to have affairs as a result of the genes passed down by their parents, according to research.

出轨被发现？也许你将有一个完美借口：都是基因惹的祸。据英国《每日邮报》报道，最新研究显示，携带有遗传性“出轨基因”的人更容易对伴侣不忠。

Scientists have even identified a single gene which has variations that make women more likely to commit adultery.

科学家甚至辨认出一种会让女性更容易出轨的存在变异形态的单基因。

The study, carried out by researchers at the University of Queensland and other institutions, examined the roles played by genes in human affairs.

这项研究由澳大利亚昆士兰大学及其他机构联合开展，，研究人员调查了基因在两性关系中的作用。

Dr Brendan Zietsch, research fellow at the university’s school of psychology, who led the study, said: “Our research clearly shows that people’s genetic make-up influences how likely they are to have sex with someone outside their main partnership.

昆士兰大学心理学学院的研究员布伦丹·齐奇（Brendan Zietsch）博士是该研究的负责人，他表示：“我们的研究很清楚地表明人们基因的组成会影响他们发生不正当性关系的可能性。”

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