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Thread: YFull STR matches

  1. #11
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    Quote Originally Posted by Cofgene View Post
    The processing of the BAM by YFull will be no different than what is done by FTDNA. The restriction on what size of STRs can be extracted is the length of the sequencing read. That has not changed. YFull's analysis is a regurgitation of what FTDNA has provided in terms of STRs and variants.

    Individuals will not get a "closer" match unless there is a result from a non-FTDNA supplied BAM present in the comparison. You are initially more likely to have a result present in the FTDNA system since the majority of the results originate from that supplier.
    My only Big Y SNP match isn't an STR match on FTDNA but is on YFull, where he appears as my only close match. Someone kindly explained on the Z140 thread here why that's the case. Way beyond my own understanding.
    Last edited by JonikW; 06-30-2018 at 10:30 AM.
    Living DNA Cautious mode:
    South Wales Border-related ancestry: 86.8%
    Cornwall: 8%
    Cumbria-related ancestry: 5.2%
    Y line: Peak District, England. Big Y match: Scania, Sweden; TMRCA 1,280 ybp (YFull);
    mtDNA: traces to Glamorgan, Wales, 18th century. Mother's Y line (Wales): R-L21 L371

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     alhan (07-24-2018)

  3. #12
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    I have just Y12 in FTDNA matching algorithm. Close to 400 matches (exact matches and one step for Y12).

    Since FTDNA does not provide matches for STR panel 2 to 5 for BigY clients without Y111 like myself. I do not really know if I have any close matches.

    This is why even though I am a FTDNA customer, YFull provides me the real deal.

    Going back to TMRCA, the calculation I have with YFull STRs is about 900 years. Ok lets assume faster mutation rates and double the TMRCA estimate. 1800 years STR TMRCA estimate is still lower than my SNP TMRCA estimation of 2400 years.

    I s it wrong to compare STR estimate with SNP estimation?

  4. #13
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    Does anybody know how long it takes to get your full STRs results and matches, once you have uploaded your Bam file, and upgraded from vcf?
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     alhan (07-24-2018)

  6. #14
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    Nudge up.
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  7. #15
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    Quote Originally Posted by sgdavies@hotmail.com View Post
    Nudge up.
    I got my STR results and matches a couple of weeks after initial SNP results.
    Living DNA Cautious mode:
    South Wales Border-related ancestry: 86.8%
    Cornwall: 8%
    Cumbria-related ancestry: 5.2%
    Y line: Peak District, England. Big Y match: Scania, Sweden; TMRCA 1,280 ybp (YFull);
    mtDNA: traces to Glamorgan, Wales, 18th century. Mother's Y line (Wales): R-L21 L371

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     sgdavies@hotmail.com (07-09-2018)

  9. #16
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    Quote Originally Posted by JonikW View Post
    I got my STR results and matches a couple of weeks after initial SNP results.
    Thanks, on my upgraded menu I got an STR tab, and it says processing, but saying that when I look at my STR menu, I actually have 14 distant matches. Think these STR results though are from my vcf, not my updated BAM. Little bit confused what it all means tbh.
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     alhan (07-24-2018),  JonikW (07-09-2018)

  11. #17
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    Looks like YFull was reading my mind or post? This was posted on their STR page today :-

    “Dear friends! We apologize for the delay of the STR results for the VCF upgrades. This is due to the fact that we have received a large number of BAM files at a time, and our processing for the highest quality includes manual quality control of alleles. Right now we are working on improving our innovative STR engine. We believe that we will finish it in 3 months and publish the STRs results extracted from the BAM file. Hope for your understanding. Together we make the service even more technologically and better! (11 Jul 2018)*
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     Joe B (07-11-2018)

  13. #18
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    I just checked. Looks like two weeks between it being received and downloaded and SNP results and another 3 weeks after that for STR results and matches.

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     sgdavies@hotmail.com (07-11-2018)

  15. #19
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    Quote Originally Posted by msmarjoribanks View Post
    I just checked. Looks like two weeks between it being received and downloaded and SNP results and another 3 weeks after that for STR results and matches.
    From yfulls msg, because of the large number of BAM upgrades from vcf, we could be looking at October time.
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     alhan (07-24-2018)

  17. #20
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    Wow, that's going to require some patience!

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     sgdavies@hotmail.com (07-11-2018)

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