There had to be a huge genetic pool within A&E, after all, four different "Races" came out of them.
Of course, their sons, daughters, cousins intermarried.
As time went by, the races obviously selected within themselves who to marry (as they mostly do today).
This selection weakened available genetic diversity, and the further compressing of the pool continued by people groups' language and congregating in areas removed from broader interaction.
To the point where inbreeding is a danger to people now-
As witnessed by the Muslim's acceptance to marrying first cousins and lowering Muslim aggregate IQs.
Of course, their sons, daughters, cousins intermarried.
As time went by, the races obviously selected within themselves who to marry (as they mostly do today).
This selection weakened available genetic diversity, and the further compressing of the pool continued by people groups' language and congregating in areas removed from broader interaction.
To the point where inbreeding is a danger to people now-
As witnessed by the Muslim's acceptance to marrying first cousins and lowering Muslim aggregate IQs.
