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Thread: Genetic Admixture and the role of Agriciulture

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    Genetic Admixture and the role of Agriciulture

    Between 10,000 and 9,000 bc, humans began practicing agriculture in the Near East 1. In the ensuing five millennia, plants and animals domesticated in the Near East spread throughout West Eurasia (a vast region that also includes Europe) and beyond. The relative homogeneity of present-day West Eurasians in a world context 2 suggests the possibility of extensive migration and admixture that homogenized geographically and genetically disparate sources of ancestry. The spread of the world's first farmers from the Near East would have been a mechanism for such homogenization. To date, however, owing to the poor preservation of DNA in warm climates,...

    Conclusions
    By analyzing genome-wide ancient DNA data from ancient individuals
    from the Levant, Anatolia, the southern Caucasus and Iran, we have
    provided a first glimpse into the demographic structure of the human
    populations that transitioned to farming. We reject the hypothesis that
    the spread of agriculture in the Near East was achieved by the dispersal of a single farming population displacing the hunter–gatherers
    they encountered. Instead, the spread of ideas and farming technology
    moved faster than the spread of people, as we can determine from the
    fact that the population structure of the Near East was maintained
    throughout the transition to agriculture. A priority for future ancient
    DNA studies should be to obtain data from older periods, which would
    reveal the deeper origins of the population structure in the Near East.
    It will also be important to obtain data from the ancient civilizations
    of the Near East to bridge the gap between the region’s prehistoric
    inhabitants and those of the present.


    https://www.academia.edu/29849496/Ge...ract-read-more
    Last edited by Lancer; 03-12-2021 at 06:46 PM.

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    Genomic insights into the origin of farming in the ancient Near East
    That paper is almost five years old, it has been discussed on this thread and others:
    https://anthrogenica.com/showthread....-000-3-400-BP)

    Did you have any particular question or observation about the paper?
    YFull: YF14620 (Dante Labs 2018)

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    I thought agriculture was spread by demic diffusion from Northwestern Anatolia, where migration of people was the main component to the change and not a cultural diffusion as the primary contributor to subsistence transition in Europe.

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