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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

Hello Kevin 1 in 605 is a 0.165% chance. ie if we start with the 256,557 Modern results, and divide that by the 424 closely related men, we get a 1 in 605 chance To check 605 x 424 = 256,520 and -

Can someone explain to me what "1 in 605" means? Rare Connection 1 in 605 Only 424 customers are this closely related to Altheim 1. Thanks

Thank you Debbie. Interestingly, my branch is coded BY... even I testes Y-700 directly. Maybe because I split from a Y-500 tester? "Y-SNPs discovered from the Big Y-500 will have the prefix BY

A useful and informative new blog post from FamilyTreeDNA explaining how they analyse BigY results: https://blog.familytreedna.com/big-y-manual-review-lifetime-analysis/ Debbie Kennett

I’ve just logged into my FTDNA account and I can access my Family Finder matches without any problem. The message is still displayed that we can’t download the match list and the segment data.