Spot on Art.
This attempt to categorise large groups of people by particular aspects of there appearance is dangerous nonsense.
Homan beings behaviour the least genetically determined of any organism on this planet, and the assumption that you can tell some ones overall genetic make up from some physical feature such as skin colour is just plane wrong.
As a way of under mining this pernicious idea; when asked what "race" I belong to I say Left-handed. We are minority of about 20% of all peoples everywhere.

All the best PP