Recent DNA Analysis of Australian Aborigines Has Revealed That Their

Recent DNA analysis of Australian Aborigines has revealed that their ancestors branched off from ancestral Europeans and Asians 70,000 to 50,000 years ago.This research indicates

A) Aborigines developed a dark skin color independently from Africans.
B) Australian Aborigines are direct descendants of the first modern humans to leave Africa.
C) Aboriginal Australians have a more recent population history than Europeans.
D) Aborigines maintained regular contact with people from other continents.
E) Ancestral Aborigines had cultural but not genetic isolation.