But you could ask a or b how they match each other Sent from AOL Mobile Mail On Friday, January 8, 2016, Doris Wheeler via <genealogy-dna@rootsweb.com> wrote: Do you know that A and B match each other as well as your daughter on the same chromosome segment? If they are not both at Gedmatch, you cannot do a one-to-one test to determine this. Doris On Fri, Jan 8, 2016 at 1:39 PM, Mardon via <genealogy-dna@rootsweb.com> wrote: > My Daughter and I tested our autosomal DNA at FTDNA and uploaded our > results > to GEDmatch. > > Person "A" tested at Ancestry and also uploaded to GEDmatch. That person > does not match me on GEDmatch but does match my daughter on Chr7 for 20.1 > cM > and 3,26 SNPs from position 135,392,982 to 149,214,524. > > Person "B" tested at FTDNA but has not uploaded to GEDmatch. This person > does not match me on FTDNA but does match my daughter on Chr7 for 19.05 cM > and 2,978 SNPs from position 138,046,889 to 150,314,016. > > Is this enough information to be certain that persons "A", "B" and my > daughter form a triangulated group? Is it necessary for person "B" to > upload to GEDmatch to be certain? > > > ------------------------------- > 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