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Thread: Waves of migration into South Asia

  1. #61
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    There are at least 3 ancient groups that represent the genetic origins for South Asians today, they would be the carriers of ANI,ASI, and ANA, but then again it depends what aDNA clusters you would like to use clusters.Some genetic studies aggregate associated macro-population alleles to different Ks and compile different composites of ACs.

    According to D.Shriner et al.2014 ,the South Asian genetic diverged from Europeans/Middle Easterners ~44,000 years ago and emerge as their own intra-population alleles.

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  3. #62
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    Quote Originally Posted by Hando View Post
    Yes I understand that. But in both cases whether it be pre-Neolithic or post-Neolithic the later arriving YDNA halpogroups monopolised the females for breeding. So what is the difference between pre and post Neolithic? The monopoly of women were the same in both cases. Why does Khan say it was different? I don't get it.
    In the Copper Age we start to see evidence of social hierarchy.
    Last edited by Jean M; 01-17-2015 at 08:55 PM.

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  5. #63
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    Quote Originally Posted by Neo View Post
    There are at least 3 ancient groups that represent the genetic origins for South Asians today, they would be the carriers of ANI,ASI, and ANA, but then again it depends what aDNA clusters you would like to use clusters.Some genetic studies aggregate associated macro-population alleles to different Ks and compile different composites of ACs.

    According to D.Shriner et al.2014 ,the South Asian genetic diverged from Europeans/Middle Easterners ~44,000 years ago and emerge as their own intra-population alleles.
    Shriner et al. is not contemplating the Basal component which is an earlier split- earlier than 45000ybp. At 45000ybp we have Ust-Ishim who is also close to ancestral ASI as you can get, but is still almost equally close to East Asians and to the non Basal portion Europeans, Mid Easterners, and South Asians.

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  7. #64
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    Back to South Asia. https://groups.oist.jp/adna/abstracts
    Abstracts from the OIST Ancient DNA Symposium 15-17 January 2015 include:

    G. Arun Kumar, Ancient migrations and peopling of India - A Genographic perspective

    Indian populations are characterised by enormous geographic, cultural, linguistic, and genetic diversity. The mechanism of peopling of India has been a conundrum. In spite of prehistoric human habitation in the region, availability of ancient DNA from paleontological samples is scarce for varied reasons. Thus studies on the peopling of India focused primarily on the genetics of present day populations and their age calibrations by coalescent estimates. The Indian centre of the Genographic Project aimed to decipher the population structure and migratory pattern of Indian populations. Under its aegis a total of 12,040 males were sampled across India. All the samples were genotyped for a battery of 42 Y-SNPs, 17 Y-STRs, 22 mtDNA SNPs and mtDNA HVS-1 sequencing. Analysis of these uni-parental markers revealed a distinct correlation between linguistic variation and Y-chromosomal diversify but not with mtDNA diversity. The mtDNA showed a fluid distribution suggesting a shared maternal genepool of Indian populations. Presence of deep rooting Y-haplogroups such as C*-M130, C5- M, F*-M89 and mtDNA haplogroup M4, M31, M42, M64 and R30 showed a mid Palaeolithic (150 - 50 Kya) human habitation in the region. Population expansions during the Neolithic (10 Kya) were marked by agricultural expansion and spread of various language families in the subcontinent. The analysis of Indian samples using the Genochip deciphered a strong correlation of Y-chromosomal variation with genome-wide SNPs suggesting preponderant male mediated migrations shaping up the Indian gene pool.

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  9. #65
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    A number of posts have been moved to the following thread: http://www.anthrogenica.com/showthre...-and-ASI-Split

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  11. #66
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    Chola Empire India India Maratha Empire North Korea Kazakhstan Dravida Nadu
    The waves of mirgration were not pure population especially the later ones. SOme of the populations were probably already "mixed" when they migrated into south Asia

    1) original OOA, negrito/australoid, Predominantly ASE with minor Oceanian
    2) Austroasiatic mongoloid Mix of East Eurasian and ASE
    3) Basal Eurasian SW asian type ENF, with minor east African(Accounts from haplogroup L)
    4) R1a1 ANE accounts for Bulk of ANE In South Asia, Also probably also had minor amounts of ENF
    5) Gedrosian ENF via. Predominantly ENF but with significant ANE

    2 and 3 are interchangable,
    Either 3 or 4 could be source of dravidian Languages
    Either 5 is most likely source for indoeuropeans.

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  13. #67
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    http://eurogenes.blogspot.co.uk/2015...n-context.html

    Indian population structure in the context of ancient European DNA

    Let's turn out attention to South Asia for a moment. I was hoping that someone better informed than myself about India's history and genetics could help me interpret these D-stats:

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  15. #68
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    http://voices.nationalgeographic.com...outheast-asia/
    Genographic Project scientists Drs. Ramasamy Pitchappan and GaneshPrasad ArunKumar from Tamil Nadu, India, analyzed the Y-chromosome (paternally-inherited) DNA from more than 10,000 men from southern Asia. The findings, published in the Journal of Systematics and Evolution, showed that in the last 8,000 years humans expanded west from Southeast Asia back to India ...

    shows a clear decrease in age and diversity of haplogorup O2a1 from Laos to East India, suggesting an east to west spread out of Southeast Asia,” explains Dr. ArunKumar about his findings ...

    “The Y chromosomal haplogroup O2a1 accounts for almost 15 percent of Indian male lineages and 58 percent of male lineages from Southeast Asia, and the distribution of this haplogroup matches the distribution of Austro-Asiatic languages (i.e. Vietnamese, Cambodian, Munda, and Nicobarese), and some of these Austro-Asiatic speaking populations are 100-percent haplogroup O2a1,” adds Dr. ArunKumar. “Thus understanding the distribution of O2a1 sheds light on the origin and movement of people in that part of the world.”

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  17. #69
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    Around the darkest red spot in southern Asia in the map above, two small arrows indicate the westward movement of people of haplogroup O2a1 from Laos back into India. (Image courtesy The Genographic Project)

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  19. #70
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    Quote Originally Posted by parasar View Post

    Around the darkest red spot in southern Asia in the map above, two small arrows indicate the westward movement of people of haplogroup O2a1 from Laos back into India. (Image courtesy The Genographic Project)
    Parasar, is this from a Geno 2.0 test? I'm thinking of taking it.
    Thanks

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