There are two opposing views about origin of modern man. According to one view **** erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation of DNA variation could suggest this -

Question

( A ) Similar variation in Africa and Asia
( B ) Variation only in Asia and no variation in Africa
( C ) Greater variation in Africa than in Asia
( D ) Greater variation in Asia than in Africa