Phylogenetic analyses have shown that African Hss populations (Mbuti, San, Yoruba) are paraphyletic, undermining a key OOAH assumption of monophyletic African ancestry. The mtDNA data indicate genetic introgression from Hss to Neanderthals (Hsnn) around 500,000 years ago, suggesting their coexistence in Eurasia long before the alleged migration of Hss from Africa. The separation of Homo sapiens and Homo antecessor occurred about 850,000 years ago in Eurasia, and the Hss and Hsn (Neanderthals + Denisovans) lines diverged about 800,000 years ago - also in Eurasia. The oldest traces of Hss in Eurasia, such as in Dali, Jinniushan, and Xujiayao (China), have been dated to 250-270 thousand years ago - much earlier than the dates suggested by OOAH for the migration from Africa (about 60-125 thousand years ago). The results of PPA (progressive phylogenetic analysis) show that Yoruba populations are phylogenetically more closely related to Eurasians than to other Africans (e.g., Mbuti, San), suggesting a return migration to Africa. in Africa, where Hss remains are sparse, often without precise location and dating (exception: Florisbad). OOEH suggests that Homo sapiens evolved in Eurasia and then settled the rest of the world, including Africa, in three major waves of expansion (about 250,000, 225,000, and 125,000 years ago). These waves coincide with warm climatic phases following glaciations. Homo naledi phosyllids from South Africa (236-335 thousand years ago) do not contain Hss features, suggesting that Hss did not appear there until later, probably as a result of migrations from the north Conclusion: The study challenges the previous OOAH paradigm, arguing for the evolution of Hss in Eurasia, from where it only later - already as modern humans - reached Africa. The proposed reinterpretation corresponds better with genetic data and rich paleontological material from Asia and Europe.
Comments
Be the first to comment!