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Thread: Genetically isolated populations & Endogamy

  1. #21
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    Some PCA clustering in the study "Population Stratification and Underrepresentation of Indian Subcontinent Genetic Diversity in the 1000 Genomes Project Dataset " at https://academic.oup.com/gbe/article/8/11/3460/2680038 clearly shows the endogamy levels captured by the PCA when used with ethnic groups

    From Moorjani study there were 5 standard telugu populations & when added to cluster of ITU (Indian Telugu in UK) it shows up in 2 (almost 3) groups, first one corresponding to Velama & Naidu, the second one far off from other 2 with Vysya, third with Mala & Madiga. As per study it might show Telugu Vysya have significant endogamy for long time. There might be other castes not part of ITU with such Endogamy levels.



    Among GIH population there is clearly two groups 1 that clusters with Gujarati Brahmin (BRG) population and other that clusters with ITU (indian Telugu in UK) & STU (Singapore Tamils) & PJL (punjabi lahore pakistan). This shows Gujarati Brahmin have strict endogamy levels compared to other Gujarati population in the GIH study group.

    nMonte3 current
    Velamas Gujarati_D Muslim_UP Tharus Punjabi_1000genomes
    1.859005 3.210341 4.491247 4.998440 6.040323

    G25 Ancients Dist 0.99 Shahr_I_Sokhta_BA3:S8728.E1.L1 65.2 Saidu_Sharif_IA_o:S7722.E1.L1 17.8 Udegram_IA:I1985 7.8 Jordanian:S_Jordanian-1 4.4 Barikot_IA:I6545 2.2 Scotland_N:I26602 Narva_Lithuania: Donkalnis6

    mtDNA mutation 309.1C 315.1C 522.1A 522.2C G8572A G8860A T11368C T16093a T16154C C16519T
    C195T

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     bmoney (12-07-2018)

  3. #22
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    Finally a study that divided PJL into at least two groups.
    Deg Teg Fateh - Victory to Charity and Arms

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     tipirneni (12-08-2018)

  5. #23
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    Dammit Reddy ancestors

  6. #24
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    Quote Originally Posted by MonkeyDLuffy View Post
    Finally a study that divided PJL into at least two groups.
    Yeah only problem its from 2 years ago but looks like it could have been published in 2009 or 2010. Though even with that in mind its far more accurate based of the information they had compared to that one Chaubey and his crew came out with.

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     bmoney (12-08-2018),  MonkeyDLuffy (12-08-2018),  tipirneni (12-08-2018)

  8. #25
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    Quote Originally Posted by pegasus View Post
    Yeah only problem its from 2 years ago but looks like it could have been published in 2009 or 2010. Though even with that in mind its far more accurate based of the information they had compared to that one Chaubey and his crew came out with.
    There are groupings of GIH into A,B,C,D etc,,, but no one talked caste & endogamy in papers as this one did. There may be more scientific ways such as TMCA & generations etc.. which might come in newer papers
    nMonte3 current
    Velamas Gujarati_D Muslim_UP Tharus Punjabi_1000genomes
    1.859005 3.210341 4.491247 4.998440 6.040323

    G25 Ancients Dist 0.99 Shahr_I_Sokhta_BA3:S8728.E1.L1 65.2 Saidu_Sharif_IA_o:S7722.E1.L1 17.8 Udegram_IA:I1985 7.8 Jordanian:S_Jordanian-1 4.4 Barikot_IA:I6545 2.2 Scotland_N:I26602 Narva_Lithuania: Donkalnis6

    mtDNA mutation 309.1C 315.1C 522.1A 522.2C G8572A G8860A T11368C T16093a T16154C C16519T
    C195T

  9. #26
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    Quote Originally Posted by kush View Post
    Dammit Reddy ancestors
    I bet if the Reddy caste can be subdivided into sub castes of Reddys are Ayodhi Reddys (in Tamil Nadu), Motati Reddys, Neravati reddy, Pedakanti Reddy, Chowdary Reddy(saudary Reddy), Gudati Reddy, Reddy Gandla, Pakanati Reddys, Velanati Reddys, Namadarlu, Vadde Reddys, Panta Reddys,Gandla reddy, Ganjam Reddy (in Tamil Nadu, Kerala and Orissa), Pokanati Reddys, Nanugonda Reddys, Gone Kapu, Palle Reddy and Konda Reddy. Hyderabad and Rangareddy are dominated by Gudati, Gone Kapu and Reddy kapu sub castes. Adilabad and Karimnagar have Reddy Gandla, gudati and Motati in majority. Then you will see the effect of Endogamy showing up clearly. Many richer Reddies have mobility & village headmen power that the ones on the move & poorer ones don't have which might show up in clusters
    nMonte3 current
    Velamas Gujarati_D Muslim_UP Tharus Punjabi_1000genomes
    1.859005 3.210341 4.491247 4.998440 6.040323

    G25 Ancients Dist 0.99 Shahr_I_Sokhta_BA3:S8728.E1.L1 65.2 Saidu_Sharif_IA_o:S7722.E1.L1 17.8 Udegram_IA:I1985 7.8 Jordanian:S_Jordanian-1 4.4 Barikot_IA:I6545 2.2 Scotland_N:I26602 Narva_Lithuania: Donkalnis6

    mtDNA mutation 309.1C 315.1C 522.1A 522.2C G8572A G8860A T11368C T16093a T16154C C16519T
    C195T

  10. The Following User Says Thank You to tipirneni For This Useful Post:

     kush (12-08-2018)

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