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Thread: New branch under R-FGC12401. FGC12384

  1. #41
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    Quote Originally Posted by MitchellSince1893 View Post
    Sadly (for me at least), I've since learned that this Z49+ Guest individual is negative for the Z150 SNP. He would need to be positive to be on my Z49>Z142>Z150,Z12222>FGC12378>FGC12401>FGC12384 branch

    So false alarm. Oh well
    Are individual SNP tests purchased through FTDNA more reliable than the result from Big Y or any SNP pack?

    Your post doesn't say that it was a Z150 individual test, but I ask because my kit came back at Z49 from the SNP pack, but I didn't get a reading on Z49 when I did the Big Y.

    Apparently it's an SNP that gets missed often. It's always made me wonder whether this causes people to think they've reached a dead end when a test comes back negative (and whether there are any floating subclades in L2 that are actually Z49+).

  2. #42
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    Quote Originally Posted by theImmortal View Post
    Are individual SNP tests purchased through FTDNA more reliable than the result from Big Y or any SNP pack?

    Your post doesn't say that it was a Z150 individual test, but I ask because my kit came back at Z49 from the SNP pack, but I didn't get a reading on Z49 when I did the Big Y.

    Apparently it's an SNP that gets missed often. It's always made me wonder whether this causes people to think they've reached a dead end when a test comes back negative (and whether there are any floating subclades in L2 that are actually Z49+).
    The Z150 result is from a Nat Geo 2.0 test. I would be interested in hearing from others as to the reliability of SNP calls from this test. i.e. what are the odds the Z150- call is incorrect?
    Genetic info
     
    U152>L2>Z49>Z142>Z12222>FGC12378>FGC12384. Yfull YF01489. YSEARCH 2PJVS.
    Earliest Known Paternal Ancestor: Edward Leopold Mitchell (NPE), b 1893, London, England

    Ancestry: English=37% Scot/Ulster-Scot=27% Welsh=14% Irish=3% German=14% Scandinavian=3% India=1% French & Dutch=1%

  3. #43
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    Quote Originally Posted by MitchellSince1893 View Post
    The Z150 result is from a Nat Geo 2.0 test. I would be interested in hearing from others as to the reliability of SNP calls from this test. i.e. what are the odds the Z150- call is incorrect?
    You could ask him to show you his original Nat Geo results, at FTDNA I think that you only see the positive SNPs tested by Nat Geo.

    I have a bit of experience in looking at Nat Geo results and although I have not knowingly come across false negatives I have certainly seen a relatively small number of false positives, under close examination these false positives have been clear when looking at the original results though.
    Paternal Y-DNA: U152>L2>BY3508>L135>BY3506 Estimated age of BY3506: 500BC
    Most Distant Known Paternal Ancestor: Patrick Dillon, born around 1790 somewhere in Ireland (possibly County Mayo). Some of his descendants later moved to Manchester, England between the 1820s and 30s.

  4. #44
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    Quote Originally Posted by DillonResearcher View Post
    You could ask him to show you his original Nat Geo results, at FTDNA I think that you only see the positive SNPs tested by Nat Geo.

    I have a bit of experience in looking at Nat Geo results and although I have not knowingly come across false negatives I have certainly seen a relatively small number of false positives, under close examination these false positives have been clear when looking at the original results though.
    After trying two different methods, I've failed to make contact with him. Hopefully that will change. Thanks for the Nat Geo feedback.
    Genetic info
     
    U152>L2>Z49>Z142>Z12222>FGC12378>FGC12384. Yfull YF01489. YSEARCH 2PJVS.
    Earliest Known Paternal Ancestor: Edward Leopold Mitchell (NPE), b 1893, London, England

    Ancestry: English=37% Scot/Ulster-Scot=27% Welsh=14% Irish=3% German=14% Scandinavian=3% India=1% French & Dutch=1%

  5. The Following User Says Thank You to MitchellSince1893 For This Useful Post:

     DillonResearcher (01-13-2018)

  6. #45
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    Quote Originally Posted by MitchellSince1893 View Post
    The Z150 result is from a Nat Geo 2.0 test. I would be interested in hearing from others as to the reliability of SNP calls from this test. i.e. what are the odds the Z150- call is incorrect?
    What does his terminal haplogroup indicate? Perhaps I should have asked that first. Is it just Z49?

    Is Nat Geo 2.0 full genome sequence? If so, and he has no other matches, then that would mean he's Z49*, right? Just trying to understand what you're looking at and whether this is an academic discussion at this point (not that there's anything wrong with that! *seinfeld voice*).

  7. #46
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    Quote Originally Posted by theImmortal View Post
    What does his terminal haplogroup indicate? Perhaps I should have asked that first. Is it just Z49?

    Is Nat Geo 2.0 full genome sequence? If so, and he has no other matches, then that would mean he's Z49*, right? Just trying to understand what you're looking at and whether this is an academic discussion at this point (not that there's anything wrong with that! *seinfeld voice*).
    Yes Z49 is shown in FTDNA as the most recent SNP he is positive for.

    All I can see is a list of SNPs 338 he's positive for (e.g. U152, L2, Z49) and 28 he's negative for including Z150, Z51, L562 etc
    Last edited by MitchellSince1893; 01-13-2018 at 09:31 PM.
    Genetic info
     
    U152>L2>Z49>Z142>Z12222>FGC12378>FGC12384. Yfull YF01489. YSEARCH 2PJVS.
    Earliest Known Paternal Ancestor: Edward Leopold Mitchell (NPE), b 1893, London, England

    Ancestry: English=37% Scot/Ulster-Scot=27% Welsh=14% Irish=3% German=14% Scandinavian=3% India=1% French & Dutch=1%

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