Sent_en: 2zh Scientists from Michigan State University added in an accompanying article: "These data strengthen the notion that the common denominator between biological brothers, the mother, provides a prenatal environment that fosters homosexuality in her younger sons."
Sent_yy: 密歇根州立大学的科学家在附带的一篇文章中补充道：“这些数据强化了这样的观点，亲生兄弟之间的共同点是其母亲提供的一个产前环境，而这一环境助长了小儿子的同性恋行为。”