Question

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

Answer 1

All human races have evolved from a common ancestor because everybody has:
(i) Common body design, structure, physiology and metabolism
(ii) Constant chromosome number
(iii) Common genetic blue print
(iv) Freely inter-breeding species.