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Newbie: H1b1, H1B, L278, R-L23

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  • Newbie: H1b1, H1B, L278, R-L23

    First post! Just got my Geno 2.0 results:

    57% Medit., 19% N.Eur., 19% SW Asia, 3% NE Asia, 2.1% Neander., 1% Denisov.;

    Maternal line marker ends with H1B;
    Paternal line marker ends with L278;
    (for both the "age to be determined")
    but next to female icon header is H1b1
    & next to male icon header is R-L23;
    (am 100% Ashkenazim Jew AFAIK)

    What is difference btwn H1B & H1b1?
    What is difference btwn L278 & R-L23?
    Link to latest info on these markers?

    But all this Geno 2.0 info is pre-Abraham Neolithic?
    (Jewish religion started ~5800 yrs old)

    I was hoping to find out if I was 100%
    descendent of Abraham, 100% descendent
    of converted non-Jews, or mix of both?
    What test would reveal what percent original
    or converted Jew is in my DNA?

    Any related advice or comments appreciated.
    Thanks in advance!

  • #2
    Regarding the mtdna and the Y chromosome haplogroup, they are very ancient predate the birth of the Jewish people as such. The same haplogroups are present both in Europe and in the Middle East, so it is very difficult to distinguish what is what. In any case, they represent only two very specific lineages, one is the purely paternal one (father, paternal gfather, etc), the other the purely maternal lineage. This is only a small part of your DNA.

    As for your Geno results, which covers a larger part of the DNA, remember that Europeans and middle easterns are overall similar, so one cannot look at very fine distinctions. Jewish people usually line up with mediterranean and middle eastern populations. Having lived in Europe for a long time, Ashkenazi tend to have some, but very small, admixture with northern and eastern Europeans. So your results are very typical of Ashkenazi, that is, they show a predominant mediterranean/middle eastern (med and SW asia) component, with just a little of northern/eastern european (19% is an overestimate, again, all europeans and mediterranean people show some north european percentages).

    cacio

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    • #3
      Thanks for response!

      Anyone know difference between H1B & H1b1?
      And difference between L278 & R-L23?

      Comment


      • #4
        For the Y chromosome, L23 is a mutation downstream L278, that is L23 people are a subgroup of L278 ones, although the vast majority of L278 belong to this subgroup. You can check the tree at:


        Similarly, H1b1 is a subgroup (the most frequent) of H1b. you can check the tree at


        I don't know the test well, so I'm not sure which of the two you are.

        cacio

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        • #5
          Thanks for links!


          I searched L278 & found:
          "R1b1 L278, M415/PF6251, P25_1, P25_2, P25_3"
          Where is L23 "downstream" here?


          I see H1b1.

          Where is latest layman's description of what being
          L23 + H1b1 means? Are these two markers still Neolithic?
          About when did they individually appear?

          As a newbie, I need a glossary of terms?
          Is this forum populated mostly by geneticists/pro-genealogists?

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          • #6
            Originally posted by H1B1-L278 View Post
            Thanks for links!


            I searched L278 & found:
            "R1b1 L278, M415/PF6251, P25_1, P25_2, P25_3"
            Where is L23 "downstream" here?
            "Downstream" means the SNP occurs below the SNP "upstream" of it. As Cacio mentioned, "L23 people are a subgroup of L278 ones." This means that L278 preceded, is older than, L23.

            L278 defines R1b1, while L23 defines R1b1a2a. That's 3 levels or subgroups downstream. Think of the haplotree as a family tree. This would make L278 the "great-grandfather" of L23.

            Comment

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