Question

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

Answer 1

All the human races have evolved from a common ancestor because they possess :

(i) Common body plan

(ii) Comrnon structure

(iii) Common physiologv

(iv) Cornmon metabolism

(v) Constant chromosome number

(vi) Common genetic blue-print