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Thread: R L21 Project News

  1. #71
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    Quote Originally Posted by George Chandler View Post
    I'm not as familiar with BY22760 but if this is supposed to be a new defining brother haplogroup to L21 (and it's that rare) I would test it again as well. I've just seen too many glitches and errors (not pointing fingers) to not retest the person several times just to be sure of what is or what isn't supposed to be there.

    George
    Or assume that two people with the same surname who tested positive for several SNPs on the old L21 level but negative for two and every single branch below it might actually represent a new branch of P312 ?

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  3. #72
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    Quote Originally Posted by GoldenHind View Post
    If that were the case here, I think Alex would have spotted it when he looked at their raw data file.
    You're probably right, but FTDNA was looking at raw data when they gave Jones his L21- status. If that's where the error is, then the raw data file isn't much help.

    I remember some years back when the Beattys were told they were U106+ but really weren't and another individual whose name escapes me now (Hurst, was it?) was told he was U106- but was actually U106+. It took a couple of years before those cases were sorted out. Oh, I also recall it was quite some time before Vince Tilroe went from an initial U106- finding to his eventual U106+. I'm not sure if I am remembering correctly, but I think they may have also given him a P312+ result for awhile.

    So, this guy might indeed represent a Z290xL21 branch. I'm not saying he doesn't, but it's something to watch.
    Last edited by rms2; 11-14-2017 at 12:02 PM.
     


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    Y-DNA: R1b-FGC36982 (L21> DF13> Z39589> CTS2501> Z43690> Y8426> BY160> FGC36974>FGC36982)

    Additional Data:
    Lactase Persistent:
    rs4988235 AA (13910 TT)
    rs182549 TT (22018 AA)

    Red Hair Carrier:
    Arg160Trp+ (rs1805008 T) aka R160W

    Dad's mtDNA: K1a1

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  5. #73
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    I checked the Big Y result for the person in question and it shows he has a C rather than a G at L21, with high confidence. I am the last person to deny the possibility of a lab error by FTDNA, but in this case his same surname match apparently got the same result and the raw data of both have been reviewed by Alex. It seems to me that at the very least a reporting error by FTDNA has to be discounted. I will check with Alex and see what he has to say.

    EDIT: I also point out that these two appear to be negative for all the very numerous SNPs currently known to be beneath L21. I might also mention that I am not L21 myself, so this isn't terribly important to me. i just thought it would be interesting to those who follow the L21 subclade.
    Last edited by GoldenHind; 11-14-2017 at 10:51 PM.

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  7. #74
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    A lot has happened since October 9th and the start of the Hg38 conversion. I've laid back on diving into the data to let things settle out and so I wouldn't be going in circles gumming up the works (which I did anyway a bit).

    From the pre-Hg38 haplotree (Oct 9) to now we have seen more filling out of the haplotree and haven broken through the 10,000 mark as far as number of different SNPs (variants I should say) on the haplotree. These are truly different variants, not just different names for the same variant.

    The growth of the haplotree since Oct 9 has gone from 2,034 to 2,259 distinct branches, an 11.1% increase.

    The growth in named variants has gone from 7,909 to 10,032, a whopping 26.8% increase.

    FTDNA has been more aggressive (confident of their calls they would say) under the Hg38 reference model so a number of branches which were marked with lower sequence number BY named variants added an FGC or a Y named variant or even odd ball names as well as new higher sequence number BY named variants.

    The early branching is also filling out and becoming more bushy. Here are are the direct early branches as I count them on the haplotree for the first major layer or two.

    Z290 Subclades:
    L21
    BY22760

    L21 Subclades:
    DF13
    DF63
    A5846
    A7906
    BY2899
    BY24776
    F4006

    DF13/Z2542 Subclades:
    DF21
    L580
    L513
    FGC11134
    FGC5494
    Z17300
    BY19419
    BY23392
    BY34749
    BY23434
    Z39589
    ZZ10

    Z39589 Subclades:
    S1026
    Z251
    Z16500
    BY575
    FGC35996
    A9507
    BY3925
    FGC13742
    FGC13780
    FGC33712
    BY15941
    L526
    ZZ80

    ZZ10 Subclades:
    Z253
    Z255
    CTS3386
    MC14
    BY4047
    BY12512

    You can see the relationships on the big picture view of the R1b-Z290&L21 Descendants Tree at the project About/Results web page.
    https://www.familytreedna.com/groups.../about/results

    You can also download the detailed outline and SNP details views of the haplotree from that page.
    Last edited by Mikewww; 02-21-2018 at 06:41 PM.

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