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科学家在研究了超过400年之久的族谱后声称,有许多兄弟的男性生儿子的几率也会比较高。英国《每日电讯报》报道,科学家相信,这个研究发现显示男性遗传基因里确实有一种决定男性倾向于生男还是生女的遗传密码。不过,科学家至今还
Scientists have studied the genealogy for more than 400 years after claiming that there are many brothers who have a higher probability of having a son. The British “Daily Telegraph” reports that scientists believe the study found that there is indeed a genetic code in the male genetic code that determines whether men tend to be male or female. However, scientists still have