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6 votes
Accepted

Is longest cM a better predictor of relatedness than total cM for Ashkenazi Jews?

The results from this Ashkenazic Shared DNA Survey should be of interest to you: https://larasgenealogy.blogspot.com/2018/05/ashkenazic-shared-dna-survey-data-by.html?m=1 That 57.4 cM longest match ...
aem's user avatar
  • 855
6 votes

Why would I match someone in a region neither of my parents do?

What I see often said is that any matching segments under 5 cM, if not under 7 cM, are more likely to be identical by chance rather than by descent, and should usually be disregarded as noise. A ...
Leah Worster's user avatar
5 votes

Interpreting DNA matches from endogamous communities?

Those are very close matches, even for an endogamous population. A match of 824.7 cM for your mother with him would normally indicate (in a non-endogamous population) that she might be his great-...
lkessler's user avatar
  • 16.7k
5 votes

Taking endogamy into account when analyzing DNA matches?

The number of matching segments and total cM work in an additive manner. If, for example, you had 3 segments totaling 25 cM you share with your 4th Great Aunt through your father's maternal side, ...
lkessler's user avatar
  • 16.7k
4 votes
Accepted

Can group of matches on same segment with cM value in mid 20s be out-of-range?

If I follow your question correctly you are asking a similar question that I asked when I was still relatively new to DNA testing but have a better understanding of it now. My challenge with your ...
CRSouser's user avatar
  • 5,581
3 votes
Accepted

Is there a way to declutter Endogamy in DNA comparisons?

One of the principals behind the DNAPainter WATO tool, Leah Larkin (https://thednageek.com/), is in the process of releasing a new product, BanyanDNA (https://www.banyandna.com/). The new product is ...
cleaverkin's user avatar
  • 2,804

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