Twins, and the reasons behind why some people have them and others don't, has fascinated scientists for centuries.
双胞胎本身,以及为什么有的人能生出双胞胎有的人却不能,几个世纪以来一直是科学家感兴趣的问题。
They are relatively common - occurring once in 100 pregnancies - and while the cause of non-identical twins has been linked to genetics, the genes involved had not been identified until now.
双胞胎近年来相对来说更加普遍了,每100个产妇中就会有1位怀有双胞胎。虽然已经有证据证明异卵双生与遗传因素有关,但至今还没有人成功鉴别出自发性异卵双生的基因。
Researchers have pinpointed two gene varians related to twinning, and one can play a major role in the age of a girl's first period, age at menopause and infertility.
研究人员已经发现了两种与双胞胎有关的基因变异,其中一种对女孩的月经初潮年龄、更年期年龄与生育能力起着非常重要的作用。
想要双胞胎?得问问你的基因答应不答应!
The breakthrough was made by Dr Hamdi Mbarek and Professor Dorret Boomsma from the Vrije Universiteit in Amsterdam.
这项重大突破是由阿姆斯特丹大学的哈姆迪·穆巴拉克博士和多雷特·博穆萨教授发现的。
The first gene variant is close to the gene coding for the secretion of follicle stimulating hormone, called the FSHB gene. This hormone is released by the pituitary, the small brain region that governs almost all major hormonal events in the body.
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