Category Archives: Russian Mail Order Bride Documentary

A guy’s hereditary makeup may may play a role in whether he’s got sons or daughters, research of more than 100 years of family members woods shows.

Newcastle University scientists discovered males had been very likely to have sons when they had more brothers and vice versa when they had more siblings.

They looked over 927 household trees, with information on 556,387 individuals from united states and European countries, going back to 1600.

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