A guy’s hereditary makeup may may play a role in whether he has got sons or daughters, a scholarly research of centuries of family members woods indicates.

A guy’s hereditary makeup may may play a role in whether he has got sons or daughters, a scholarly research of centuries of family members woods indicates.

A guy’s hereditary makeup may may play a role in whether he has got sons or daughters, a scholarly research of centuries of family members woods indicates.

Newcastle University scientists discovered guys had been more prone to have sons should they had more brothers and vice versa should they had more siblings.

They looked over 927 household woods, with information on 556,387 folks from united states and European countries, returning to 1600.

The exact same website link between sibling sex and offspring intercourse had not been discovered for females. Czytaj więcej about A guy’s hereditary makeup may may play a role in whether he has got sons or daughters, a scholarly research of centuries of family members woods indicates.