Participants in the study were rated for sexual orientation based on their self-reported sexual identity and sexual feelings. Men were asked to provide DNA by blood or saliva samples that were then genotyped and analysed.
研究根据参与者自述的性身份和性感受来将他们的性取向分级,还通过他们血液或唾液样本提供的DNA进行基因分析。
Although previous studies have pointed to a genetic predisposition for homosexuality, it is the first time researchers have studied the entire genome of individuals and so is the most comprehensive assessment of the genetic basis of sexuality ever undertaken.
尽管以往也有研究指出同性恋具有基因诱因,但本次是研究人员首次研究个人的全部基因组,是对性基因基础的最全面评估。
However British experts said more work was needed before it was possible to identify 'gay genes' because the genetic differences could point to other traits shared by the homosexual respondents.
不过,英国专家表示,在有可能确认“同性恋基因”之前,还有许多工作要做,因为基因差异可以指向同性恋者所共有的其他特征。
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