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