But in historical times, blondes with nice noses have had a reproductive advantage. Among American blacks today, those with lighter skin do.
My comments reflect earlier time periods, when people migrated slowly (i.e., pre-sailing ship and excluding organized warfare--Genghis Khan and the like).
That way there is plenty of time for adaptations as you go along.
"That way there is plenty of time for adaptations as you go along."
Yes, that's true. However, developments during historical times must have clouded the picture.