Greetings Nubian but yah artical nah seh dat dere is no common ancestor, but rather "The older ME is still the common ancestor of all humans alive today on Earth with respect to matrilineal descent, but she is not the most-recent" aknowledges dat dere is a common matrilineal lineage, who we cannot Identify as from one country or de next, since all a we haf her genetic material..it show we are all bredrin an sistren from one common ancestor pair!!