terrytnewzealand posted;
"If all people on earth are descended from just one couple, either Adam and Eve or Noah and his wife, why do we observe regional variations?

You do realize that Noah had 3 sons each who had a wife...with an unknown genetic make up.

There is no reason why the differences seen in us humans is nothing more than genetic differences....not caused by mutations...

But, then again if mutations are involved and man is evolving in several different directions, which race is the most primitive?