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Hi Ewenn, The private variants list is essentially stripped straight out of the VCF file, from what I can tell. Private variants will gradually get replaced with named SNPs, which will lead to changes

Hi John, Indeed, the cohabitation between bigY500 and bigY700 tests does not seem very ideal. Imagine if we had to move to a T2T reference and long reads tests... Coming back to the Private Variants

Hello Ewen <mutations can sometimes be deleted from the list of PVs associated with a kit, without this being reflected on the associated bigY match(es) If I am reading your post correctly, this is

Hi, all! Thank you, John and Iain, for the information you've shared with me!?? John - if I understand correctly, the X in the non matching variants column means the two kits have greater than 30

Hi Mary, Several answers have already been provided to you by other members, more competent than I am, and FTDNA should shed more light on the issue you are having with these kits. Therefore, what

Thanks John - that's what comes of not reading the original post carefully enough! :)

Hello Mary It is not often (in fact a first) that I can elucidate in respect of an Iain McDonald answer. An x in the NMV column always means more than 30 NMVs, and is only ever shown where you have

Hi all - apparently FTDNA have taken away the average number of private variants from each haplogroup on the Block Tree. The teal-coloured blocks that used to denote these have been replaced

Hi, all! Thank you, Iain, for your reply and suggestions - and for your offer to look at the kit.?? Both kits are old - a few years old.?? There are no Big Y matches at all, which makes it easy to

Hi Mary, If the match isn't shown on your list of BigY match, you can't check the number of mis-matching variants. Overall, this is an issue that doesn't look like it should occur, but which we've

Hi, all! Thank you for your reply, John!? What I find conflicting is that the match shows up - by name - in the block tree, but isn't listed in the Big Y matches.? I would think that if they are

Hello Mary Big Y matches are restricted to those with 30 or less non matching variants. Blocktree matches start with Y37/67/111 matches that do not make the cut, followed by the Big Y matches. You

Hi! Thank you for your response, Ciarán and?Raymond!? The match shows up in the list of STR matches, and has provided a family tree and earliest known ancestor.? And they show up on the block

I believe the issue may be that the other tester has opted NOT to share his results. [email protected]> wrote:

Hi Mary,You should email FTDNA about this. It doesn't seem right.? Ciarán

Thank you for your response!? How do I determine if they meet the 30 SNP variation threshold, please?? The average number of private variants between the two testers is only 4.? How would I

FTDNA's Big Y match threshold is 30 YSNPs between two testers. The Big Y tester is still a valuable match though even if they are outside the threshold. I have some in my block tree page that are not

Hi! I have a question, please.? Why is there one match in the same block on the Big Y Block Tree, but that match is not listed under Big Y Matches - Big Y Matches says "Currently no matches"?? Both

Thanks John & Iain. I understand the maths now! -- Kevin Terry

Hi Kevin, Effectively this is saying what portion of the FTDNA database is in the haplogroup you share with this ancient individual. In this case, that haplogroup is R-FGC13326, so one in every 605