The Discover Secure Online Account Numbers program is once again set to be discontinued while the company reaffirms its $0 fraud liability policy on unauthorized charges.
If your referring the dawn of man, (first upright walking animals  with two legs and two arms), as caveman then the closest ancestor  would be the time relevant species of mâ¦onkey because without  knowing what the missing link between the two is we wouldn't know  that answer.
1.2 Ma. Homo antecessor may be a common ancestor of humans and Neanderthals. At present estimate, humans have approximately 20,000â25,000 genes and share 99% of their DNA with the now extinct Neanderthal and 95-99% of their DNA with their closest living evolutionary relative, the chimpanzees.omo heidelbergensis may be a common ancestor of humans and Neanderthals. It is morphologically very similar to Homo erectus but Homo heidelbergensis had a larger brain-case, about 93% the size of that of Homo sapiens. The holotype of the species was tall, 1.8 m (6 ft) and more muscular than modern humans.