All the human races like Africans, Asians, Europeans, Americans and others might have evolved from a common ancestor. Provide a few evidences in support of this view.

Explanation

All human beings have common body plan with respect to body structure, physiology and metabolism. The chromosome number continues to be 23 pairs in all the human .races.. Human beings across continents are able to inter-breed freely giving rise to healthy fertile offsprings.
These are few evidences in support of the view that all human races have evolved from a common ancestor.