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"We" might not have made it very far were it not for the assistance of the Neanderthal we encountered in the Levant who actually had better lithic tool kits than the HSS who were on their way out to explore the rest of the globe. It's one of the first areas where we made friends and relationships with a foreign hominid species, lived with, worked with, loved with and shared with one another. The fact that we see grave sights with both species buried amongst each other with similar grave goods testifies to the familial and relationship bonds created between both species, at least in my opinion and I feel this is supported additionally by the genetic data.
Moreover, by embracing the replacement hypothesis and Mitochondrial Eve, anthropology went along with the trend of reducing all biological evolution to genetics. Anthropology had fossil evidence and forms of analysis different from the dazzle of genetic computation. What genetic computation cannot deliver is the full range of the evolutionary process, where evolutionary change can occur with or without genetic modification.
originally posted by: Noinden
a reply to: luthier
I don't understand how anyone could believe that the Out of Africa theory has a serious contender. If you look at the genomics (and yes I have, I have a degree in Bioinformatics) it is abundantly clear that the level of diversity of Mitochondrial DNA and Y Chromosome Variation seen in Africa is the greatest (and contains the oldest variations). That is one reason to suppose Out of Africa is the most likely cause.
Now this gets complicated, when early Homo sapiens decided that Homo neanderthalensis and Denisova hominin (Homo sp. Altai or Homo sapiens ssp. Denisova) were someone they wished to breed with. It remains apparent that the sapiens came into the ranges of the other two hominins.
I say this, as I said, as someone who has played with the data.
pushed the emergence of modern humans back to at least 300 kya and possibly even to 350 kya. Funny how not so long ago we used to think our species emerged 100 kya, then 200 kya, and now 300-350 kya isn’t it?
Prehistoric Fossils Dating Back 9.7m Years Could Rewrite History Of Where Humans Came From
We don't have a "first woman" and I could slap Bryan Sykes and other scientists who use the phrase "Eve" to describe the source of all the mt clades (clans) we see today. She's not the first woman, just the woman who's mt-DNA line survived. But call her Eve, and lo every one goes "first woman". Similarly the temporally distant "Y-Adam".