Dearm Paula THe male D.N.A. is to change about a half but the female has a set of D.N.A. that changes all except for one set of D.N.A. this is to say that your father has his grand father and his mother split in him their is one dorment gean in that you would think and the teeth are the carrier or bone marrow .Women have the oldest Gean in the world that can be traced back to Eve men can,t be traced back to Adam but one man has been tracde back to the stone age men and he live,s in England .