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.
Your parents, in turn, received their chromosomes from their parents (your grandparents). Your autosomal DNA, therefore, contains random bits of DNA from your great-grandparents, great-great grandparents, and so on. Close relatives will share large fragments of DNA from a common ancestor. Connections arising from more distant relatives will result in smaller fragments of shared DNA.