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Yes I change thresholds. Most people in my Genome Mate database are ones who share >7cM segments, considered IBD. >5cM I use as a threshold to find IBS matches. People I find with similar surnames or story I add manually using a threshold of >5cM When I load those into Genome Mate it helps divice which IBS are likely segments of bigger IBD matches and witch are truly IBS. I’ll drop it to >3cM to look for matches to archaic samples to try and triangulate ethnicity.
I’m not sure watch >2cM mathces mean. When I lower it to that level I see so many matches. Compare Rachel Payne to my mother or uncle at >2cM and there close to 40 matches arbout 135cM total.
Just wanted to update info I previously posted on this thread, to mention that I got my brother a Family Finder test at FTDNA and his results posted a few weeks ago. I uploaded him to GedMatch where he is F250126. As luck would have it, even though we are full brothers and look alike, he got a much stronger NA signal than I did — longer segments, and on several different chromosomes. So in case his turns out to be from our VA/NC ancestors, you might want to try out your Genome Mate or whatever magic tricks you do with such cases. Theoretically we might have faint matches with Bass, Chavis, Jeffreys, Snelling, etc. Or so Heinegg would have us believe.
Tried running it against my family samples… small matches, nothing conclusive. One thing I noticed is there is one sample that is cousin to him, my mother and uncle – M145903
Dreaminghawk;38991 wrote: Becky and I both ordered the Ancestry DNA tests. Guess it’s about time to explore that route.
Cool! Will be happy to help with results when you get them.
techteach;39016 wrote: Mom is A231339 on Gedmatch if anyone wants to try for a match.
Techteach
Looked in my Genome Mate to see if I had any new connections. Your mother matches my mother M103622 and M026223 uncle on a 5.5cM 528 SNP section of chromosome 13 from (95M to 100M).
Matching on the same part of the same chromosome is A817109 Michael Spencer. The match does not triangulate with my uncle so must be on his other side. The interesting thing is Michael Spencer is a cousin to both your mother and my mother and uncle. He has a 12.6cM chr 10 and a 5.4cM chr 12 match to your mother. He has a 10.0cM match to my uncle on chr 13.
MarcSnelling;39019 wrote: Looked in my Genome Mate to see if I had any new connections. Your mother matches my mother M103622 and M026223 uncle on a 5.5cM 528 SNP section of chromosome 13 from (95M to 100M).
Matching on the same part of the same chromosome is A817109 Michael Spencer. The match does not triangulate with my uncle so must be on his other side. The interesting thing is Michael Spencer is a cousin to both your mother and my mother and uncle. He has a 12.6cM chr 10 and a 5.4cM chr 12 match to your mother. He has a 10.0cM match to my uncle on chr 13.
Marc your mother and uncle both match my mom at 5.9 cm on chromosome 1 for 631 snpsComparing Kit A628047 (Judy Peek) and M026223 (Craig Drybread)
Minimum threshold size to be included in total = 500 SNPs
Mismatch-bunching Limit = 250 SNPs
Minimum segment cM to be included in total = 5.0 cM
[TABLE]
[TR][TD]Chr[/TD]
[TD]Start Location[/TD]
[TD]End Location[/TD]
[TD]Centimorgans (cM)[/TD]
[TD]SNPs[/TD]
[/TR]
[TR]
[TD=align: center]1[/TD]
[TD=align: center]214,276,295[/TD]
[TD=align: center]220,077,489[/TD]
[TD=align: center]5.9[/TD]
[TD=align: center]632[/TD]
[/TR]
[/TABLE]
Largest segment = 5.9 cM
Bobby McGraw;39235 wrote: Marc your mother and uncle both match my mom at 5.9 cm on chromosome 1 for 631 snpsComparing Kit A628047 (Judy Peek) and M026223 (Craig Drybrea
I checked your mother’s kit against a bunch of my family samples. She also has matches to my 1st and 2nd cousins on the Indiana Jones-Smith line. I’ll have to look at my Genome Mate and see if I can see who else also matches on these segments to try and triangulate it.
MarcSnelling;39237 wrote: I checked your mother’s kit against a bunch of my family samples. She also has matches to my 1st and 2nd cousins on the Indiana Jones-Smith line. I’ll have to look at my Genome Mate and see if I can see who else also matches on these segments to try and triangulate it.
Ok cool sounds great there are some smiths in my ancestry dna tree.
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