[ThePythonicCow]

It means that what is left is essentially just culture

No. The absense of biological differences sufficient to distinguish two completely distinct and separate races does not imply the absense of statistically significant biological differences and does not imply that any such discernable differences are essentially cultural.

There clearly are racial differences, as groups, that are genetic, and not just cosmetic ones. Individually, it's one person at a time.

But myself and several others have already said that, six ways from Sunday. So I guess I should start using as an example the lower reading comprehension level of the politically correct crowd.

[tallhappy]

There clearly are racial differences, as groups, that are genetic, and not just cosmetic ones

Then list them.