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Thread: R1b in Nepal

  1. #1

    R1b in Nepal

    I recall a certain Nepali ethnic group possesed R1b and the Rh- trait at frequencies at almost 10% for both (I also believe this is where ydna J2b peaks). With the belt of R1b ending in North Iran what accounts for this? British admixture followed by some sort of bottleneck? Does the elevated J2b have anything to do with this?

  2. #2
    Did you mean Newar ethnic group? In a sample of 66 people, the R1b (R-M269) found among Newars of Kathmandu is 11%. I don't know if other Nepali ethnicities have also been sampled.

    R1b is the most common haplogroup in Western Europe, reaching over 80% of the population in Ireland, the Scottish Highlands, western Wales, the Atlantic fringe of France, the Basque country and Catalonia. It is also common in Anatolia and around the Caucasus, in parts of Russia and in Central and South Asia. Besides the Atlantic and North Sea coast of Europe, hotspots include the Po valley in north-central Italy (over 70%), Armenia (35%), the Bashkirs of the Urals region of Russia (50%), Turkmenistan (over 35%), the Hazara people of Afghanistan (35%), the Uyghurs of North-West China (20%) and the Newars of Nepal (11%). R1b-V88, a subclade specific to sub-Saharan Africa, is found in 60 to 95% of men in northern Cameroon.

    According to - Gayden, T; Cadenas, AM; Regueiro, M; Singh, NB; Zhivotovsky, LA; Underhill, PA; Cavalli-Sforza, LL; Herrera, RJ (2007). "The Himalayas as a Directional Barrier to Gene Flow". American Journal of Human Genetics 80 (5): 88494

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