Tim Reread the data - you are correct - there are 2 chromosomes involved here. Jim - www.segmentology.org > On Oct 4, 2015, at 10:28 PM, Jim Bartlett via <genealogy-dna@rootsweb.com> wrote: > > Tim > > If the overlap is that large, I agree with you. > > Jim - www.segmentology.org > >> On Oct 4, 2015, at 5:36 PM, Tim Janzen via <genealogy-dna@rootsweb.com> wrote: >> >> Dear Jim, >> The length of the segment where John and Jane match with Mardon but don't >> match with Sara is at least 18 cMs and this segment contains at least 1300 >> SNPs. Partial overlap should not be a factor here. It is very highly >> probable that Jane and John are matching Mardon on one chromosome and that >> Sara is matching Mardon on the opposite chromosome. Additional >> triangulation with other people would be fine, but it won't change the fact >> that the genetic data strongly suggests that Jane and John are matching >> Mardon on one chromosome and that Sara is matching Mardon on the opposite >> chromosome. >> Sincerely, >> Tim Janzen >> >> -----Original Message----- >> From: genealogy-dna-bounces@rootsweb.com >> [mailto:genealogy-dna-bounces@rootsweb.com] On Behalf Of Jim Bartlett via >> Sent: Sunday, October 4, 2015 1:27 PM >> To: Mardon; genealogy-dna@rootsweb.com >> Subject: Re: [DNA] Triangulation for Eliminating Part of a Tree? >> >> The partial overlap is only 5Mbp. So that may be the reason for the >> non-match. You should determine TGs with John & Jane and with Sara. And/or >> upload to GEDmatch where you can compare Sara to others with a smaller >> threshold. >> >> Otherwise you could make the assumption you did, and be ready to change it, >> if warranted. >> >> Jim - www.segmentology.org >> >> >> >> ------------------------------- >> To unsubscribe from the list, please send an email to GENEALOGY-DNA-request@rootsweb.com with the word 'unsubscribe' without the quotes in the subject and the body of the message > > > ------------------------------- > To unsubscribe from the list, please send an email to GENEALOGY-DNA-request@rootsweb.com with the word 'unsubscribe' without the quotes in the subject and the body of the message