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Thread: the connection between R1b yDNA haplogroup and the B blood type

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    the connection between R1b yDNA haplogroup and the B blood type

    I have been trying to find a connection between the R1b yDNA haplogroup and the blood type B both of which I am. I just want to know which human races are R1b and B blood type. That is why I can find out so any comments would be beneficial.

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    Quote Originally Posted by bradly88 View Post
    I have been trying to find a connection between the R1b yDNA haplogroup and the blood type B both of which I am. I just want to know which human races are R1b and B blood type. That is why I can find out so any comments would be beneficial.
    Yes and no... I think that we can turn the hypothesis down according to group 0 distribution (the commonest group in the world), or the A group distribution, which is in higher percentages (in relation with 0 and B group) in northern Europe (i.e. the places where Yamnaya ancestry is the greatest).

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    Quote Originally Posted by bradly88 View Post
    I have been trying to find a connection between the R1b yDNA haplogroup and the blood type B both of which I am. I just want to know which human races are R1b and B blood type. That is why I can find out so any comments would be beneficial.
    Blood type B allele has elevated frequencies in Asia[India/Pakistan/Bangladesh/Thailand][Buryats, Chuvash, Romani, Hindu's Bombay]. https://en.wikipedia.org/wiki/Blood_...ion_by_country
    Scroll down to Ethnic distribution. Scott's [51%+/- type O]>[34%+/-type A]>[12%+/-type B]
    Ethnic distribution of ABO (without Rh) blood types[33]
    The connection is inverse.
    The vast majority of Hunter-Gatherer samples from [page 54] were found have homozygosity for the type O allele @ 71%. The remaining 16% European Hunter Gatherers were type A allele[84%+16%]. Type B allele was not found, in European Hunter Gatherers and/or any European Neolithic populations. The study points out the B allele was introduced into Europe by Steppe populations who were estimated to carry it at ~8% frequency.

    http://www.biorxiv.org/content/biorx...4/135616-1.pdf
    Last edited by Silesian; 09-20-2017 at 07:08 PM.

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    Quote Originally Posted by Silesian View Post
    The vast majority of Hunter-Gatherer samples from [page 54] were found have homozygosity for the type O allele @ 71%. The remaining 16% European Hunter Gatherers were type A allele[84%+16%]. Type B allele was not found, in European Hunter Gatherers and/or any European Neolithic populations. The study points out the B allele was introduced into Europe by Steppe populations who were estimated to carry it at ~8% frequency.

    http://www.biorxiv.org/content/biorx...4/135616-1.pdf
    Fascinating, had no idea it was possible to tell what blood-type ancient remains belonged to.

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    Quote Originally Posted by Observer View Post
    Fascinating, had no idea it was possible to tell what blood-type ancient remains belonged to.
    And as Silesian noted from the paper, B correlates well with steppe influence.
    "We do not detect the B allele (rs8176746 and rs8176747) in any hunter-gatherers suggesting that all other individuals were type A. In fact, the B allele is not seen in any Neolithic populations either, and is introduced into Europe by Steppe populations who we estimate carry it at ~8% frequency."

    "I would think B is correlated to Indo-Aryans"
    http://www.anthrogenica.com/showthre...ll=1#post26278

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    We can also exclude Amerindians (ANE + East Asian) and Australians as the source of B.

    "Blood group B has its highest frequency in South Asia where it ranks first as the largest share of the earth's population. In Southeast Asia the share of the population is high, especially in Thailand and Indonesia, then in East Asia, Northern Asia and neighboring Central Asia, and its incidence diminishes both towards the west and the east, falling to single digit percentages in Netherlands, Norway and Portugal.[34][35] It is believed to have been entirely absent from Native American and Australian Aboriginal populations prior to the arrival of Europeans in those areas."

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    Quote Originally Posted by parasar View Post
    We can also exclude Amerindians (ANE + East Asian) and Australians as the source of B.

    "Blood group B has its highest frequency in South Asia where it ranks first as the largest share of the earth's population. In Southeast Asia the share of the population is high, especially in Thailand and Indonesia, then in East Asia, Northern Asia and neighboring Central Asia, and its incidence diminishes both towards the west and the east, falling to single digit percentages in Netherlands, Norway and Portugal.[34][35] It is believed to have been entirely absent from Native American and Australian Aboriginal populations prior to the arrival of Europeans in those areas."
    parasar can you help me decipher these groups in these two studies, the link between UP Brahmins and ydna?
    Can you shed some light on the frequencies of blood type B in these special tested groups?
    Result's and discussion section
    http://precedings.nature.com/documen...20115931-1.pdf
    Compiled data set section
    http://www.nature.com/jhg/journal/v5...jhg20082a.html

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    Is there a correlation between R1b- (Z2109-Z2110) and B +?
    I have B
    Last edited by Mis; 09-21-2017 at 07:01 PM.

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    Quote Originally Posted by Silesian View Post
    parasar can you help me decipher these groups in these two studies, the link between UP Brahmins and ydna?
    Can you shed some light on the frequencies of blood type B in these special tested groups?
    Result's and discussion section
    http://precedings.nature.com/documen...20115931-1.pdf
    Compiled data set section
    http://www.nature.com/jhg/journal/v5...jhg20082a.html
    "among the Brahmin population of UP is shown in table 1. In total 200 samples analyzed, phenotype B blood type has the highest frequency 42% (n=84) ... Except Nepal and India (present study), frequency of O blood group is highest"
    These are Brahmans from eastern Uttar Pradesh ("200 unrelated individuals of both genders belonging to the Brahmin caste from Jaunpur, Varanasi, Allahabad districts") - one of the closest populations to me. I'm from Bihar just to their east but have many relatives from eastern UP.

    I'm B+ and R1a1. Most UP Brahmans are R1a1. Y-R total is in the 80-90% range with the rest J, H, C.

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    Quote Originally Posted by Mis View Post
    Is there a correlation between R1b- (Z2109-Z2110) and B +?
    I have B
    I don't know, good question. Until they release more Z2109/10 samples we are just guessing, either from Scythian/Sarmatian or Yamnaya. Z2109 and Z2110 are also found in Pakistan and Ossetian/Alan regions. The study quoted shows that B is associated with the Steppe movements and their does seem to be a connection with elevated B in Brahmins also[parasar =R1a1+B+]. Latvia and Lithuania have 20-30% B+/- also. If the old R1b Hunter Gatherer from Latvia had mostly type O and or [a little A] then it looks like there might have been a turnover with type B making up 1/5 to a 1/3+/-, and as far away as Scotland =bradly is also B+. Just a guess.
    https://en.wikipedia.org/wiki/Blood_...ion_by_country
    Last edited by Silesian; 09-21-2017 at 07:18 PM.

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