Can you elaborate on your statement? I think it is more likely that culture drives genetics. If you have a group whose culture favors intermarriage, where mar

Can you elaborate on your statement? I think it is more likely that culture drives genetics. If you have a group whose culture favors intermarriage, where marriage is encouraged and even arranged between families with intellectual success, and which enables the resulting couples to have many children, that would tend to drive the genetics of the group. Sexual selection is tied to culture.