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Thread: GED Match and DNA land: Uttar Pradesh,Bihari and Bengali DNA?

  1. #171
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    Quote Originally Posted by poi View Post
    I am now beginning to understand that the whole "ancient components", w.r.t South Asians, are just so subjective and flimsy. Anyone can come up with things using "representatives" from those aDNA from other parts of the world that have been analyzed. Look at this aDNA map... the whole South/Central Asia is missing aDNA.

    Attachment 20717

    Btw, those few dots in Tibet-Nepal border, which incidentally is also a dozen or so miles north from my father's village, are all y-haplogroup O and from around 1000BC onwards.
    If O chances are they are SE Asian or Sino-Tibetan - would make sense - Tibetan ancestors coming across

    Yep like you said the environmental conditions of South Asia don't favour DNA preserving

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  3. #172
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    Quote Originally Posted by poi View Post
    I am now beginning to understand that the whole "ancient components", w.r.t South Asians, are just so subjective and flimsy. Anyone can come up with things using "representatives" from those aDNA from other parts of the world that have been analyzed. Look at this aDNA map... the whole South/Central Asia is missing aDNA.

    Attachment 20717

    Btw, those few dots in Tibet-Nepal border, which incidentally is also a dozen or so miles north from my father's village, are all y-haplogroup O and from around 1000BC onwards.
    There are two ways to find the "ASI". Either we find the population that carried it which is close to impossible because of the weather unless some of them lived in himalayas where cold climate can preserve the DNA. The other way would be we find all the populations that contributed to present day SA/SC Asia, and label the unidentified portion as ASI.
    Deg Teg Fateh - Victory to Charity and Arms

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  5. #173
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    Quote Originally Posted by MonkeyDLuffy View Post
    There are two ways to find the "ASI". Either we find the population that carried it which is close to impossible because of the weather unless some of them lived in himalayas where cold climate can preserve the DNA. The other way would be we find all the populations that contributed to present day SA/SC Asia, and label the unidentified portion as ASI.
    We have lots of Mesolithic and Neolithic material in South Asia, paleolithic not that much.

    "In India, Mesolithic cultures exhibit high regional diversity as one aspect of
    successful adaptations to such ecologically distinctive habitats as the arid zone of
    the Thar Desert, the humid tropics of Sri Lanka, and the high rainfall, wooded
    regions of eastern India. V. N. Misra (1996) notes that Mesolithic sites in India
    are larger, better preserved, and more numerous than their Paleolithic antecedents,
    in part because they are more recent in time, but also because Holocene
    geomorphic disturbances have been minimal. Knowledge of Mesolithic cultural
    adaptations in India is dramatically enhanced over preceding cultural phases by
    the presence-for the first time in Indian prehistory-of an abundant and informative
    series of human skeletal remains ... The remains of 47 adults are preserved at Damdama."
    https://scholarspace.manoa.hawaii.ed...n2-329-351.pdf

    I am hopeful that as we are able to get usable DNA from African ancient genomes, that the petrous method could work in South Asia too.
    http://journals.plos.org/plosone/art...l.pone.0129102
    "recent studies have confirmed that this bone preserves aDNA extremely well, even when the samples are from warmer climates like Africa [13], the Near East [14], or Oceania [15]."
    http://journals.plos.org/plosone/art...l.pone.0170940
    Last edited by parasar; 01-12-2018 at 05:01 PM.

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