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Thread: Early Europeans Migrated Back to North Africa

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    Early Europeans Migrated Back to North Africa

    DNA from a Stone Age woman traces a line of descent between early Europeans and modern day Africans.

    This new genetic thread suggests that after modern humans first left Africa, somewhere between 100,000 and 50,00 years ago, a group of early Europeans decided to head back.

    The new results confirm a previously held hypothesis that a group of humans from southeast Europe migrated through west Asia to north Africa during the Stone Age, around 45,000 years ago.

    The results are published in the journal Scientific Reports.

    Fossil DNA records our history
    The first modern humans emerged in Africa around 200,000 years ago and began colonising the rest of the world between 100,000 and 50,000 years ago.

    The first Europeans arrived via the Middle East around 45,000 years ago where they quickly replaced the existing Neanderthal population--our closest living relatives.

    But from studies of fossil DNA, scientists in recent years have pieced together a much more nuanced story.

    They have mapped the Neanderthal’s genetic history to show that we in fact descend from a combination of both Neanderthals and Homo Sapiens.

    And fossil DNA has begun to report on major migrations such as the arrival of farmers in Europe about 8000 years ago and immigrations from the Russian steppes during the Bronze Age, both of which have shaped modern European genetics.

    "We’ve been a little spoilt with the release of huge genomic datasets, and on that basis this study is a more modest contribution, but it's definitely interesting," says Morten Allentoft, an Assistant Professor from the Center for GeoGenetics, University of Copenhagen, Denmark, who was not involved in the study.

    Stone Age woman holds clues about our ancestors’ travels
    In the new study, the scientists extracted and mapped DNA from the fossilised teeth of Peştera Muierii 1 (PM1)--a Stone Age woman who lived in Romania about 35,000 years ago.

    They initially identified a small part of the genetic material from the cell's 'energy factories', the so-called mitochondria, which are only passed down the female line through mitochondrial DNA (mtDNA).

    This means that we can trace our genetic heritage through the female line and follow our ancestors’ movements as they migrated around the world.
    http://sciencenordic.com/ice-age-eur...ed-back-africa

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    Mechtoids resemble European Cromagnids and are connected through the Paleolithic of Italy.

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    This back migration has become a real problem. The way used to measure Neanderthal genetic content in modern people is to measure the difference between other non-Africans and Africans as if Africans were purely non-Neanderthal. But if they were and even a tiny bit, there is a problem here. This flaw is cited by some as the reason East Asians are credited with more Neanderthal ancestry than Europeans.

    Not only this but recently one of the Denisova cave's Neanderthals has shown traces of modern sapiens (African) ancestry from that first Out of Africa 100,000 years ago. This further pollutes the purity test.

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    R1b Y-DNA proves Indo-Germanics colonised Africa, but what their legacy is today is unrecognisable. I figure that paternal lineage was Iberian or Italian, so possibly from Roman days. Most of the continent is E, B and A, with some J haplogroup.

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