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Thread: Haplogroup Y-N is it Caucasian, or Asian?134 days old

  1. #1
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    Default Haplogroup Y-N is it Caucasian, or Asian?

    A lot of people say Haplogroup N, or Tat-C is Asiatic, and say therefor Finns, Balts, and Russians are Mongoloid - Caucasoid hybrids.

    The fact that NO split between Siberians, and Chinese might be evidence.

    However, NO eventually goes back to K, and thus IJK three solidly Caucasoid haplogroups.

    So, I tend to think this might mean that Chinese have Caucasoid male ancestors, rather than Finno-Balts having Mongoloid male ancestors.

    But, it seems to be a lot of gray areas, in general.

    I mean don't Finns have more Asiatic autosomal DNA results, rather than Chinese do Caucasoid autosomal DNA results?

    So, that's something else to consider.

    I'd also consider the 3rd option, that NO isn't quite Caucasoid, or Mongoloid, but something intermediate, or even predating the arise of both races.

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    Haplogroups have only loose correlations to races, and those correlations don't seem to be useful. If you want to make sense of relevant genetic variations within the human species, then haplogroups in general probably need to be ignored. They are good for linear non-statistical ancestry calculations, little else. Haplogroups are about male-only or female-only branching lines of descent with a single genetic variant in common, but your genome is made of millions of genetic variants, and each daughter has only 50% of her genetic variants in common with her mother. The common ancestor of a haplogroup is barely likely to have a little more in common with her descendants than any random person living at the same time anywhere in the world. On the other hand, races are clusters of people that tend to share many of their genetic variants across the whole genome, not just one genetic variant. You are much more likely to share more genetic similarity with someone of the same race than with someone of the same haplotype.

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    (A) Geographic distribution of the EDAR 1540C allele frequency worldwide. The map was generated using Surfer8 of Golden Software (Golden Software Inc.), following the Kriging procedure. Red dots indicate sampling location. (B) Geographic distribution of the EDAR 1540C allele frequency in different groups of south and southeast Asia. The frequency is shown in proportion to the bubble size.

    Asiatic phenotypes, including the thicker hair, more numerous sweat glands, smaller breasts, and the Sinodont dentition, are closely associated with the EDAR gene that is found in most modern East Asians and Native Americans. It arose in humans more than 30,000 years ago, when haplogroups N and O emerged from their ancestral hg NO, which is an East Asian haplogroup. The EDAR gene was also found in the Bolshoy population in Fennoscandia, which is associated with Y-haplogroup N1c.

    The Native-American-related ancestry seen in the EHG and Bolshoy corresponds to a previously reported affinity towards Ancient North Eurasians (ANE)2,33 contributing genes to both Native Americans and West Eurasians. ANE ancestry also comprises part of the ancestry of Nganasans2.

    Haplogroup N1c, to which this haplotype belongs, is the major Y-chromosomal lineage in modern north-east Europe and European Russia. It is especially prevalent in Uralic speakers, comprising for example as much as 54% of eastern Finnish male lineages today36. Notably, this is the earliest known occurrence of Y-haplogroup N1c in Fennoscandia. Additionally, within the Bolshoy population, we observe the derived allele of rs3827760 in the EDAR gene, which is found in near-fixation in East Asian and Native American populations today, but is extremely rare elsewhere37, and has been linked to phenotypes related to tooth shape38 and hair morphology39.
    Last edited by ThirdTerm; 2019-06-02 at 08:57.

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