Part 938sr - Figure Out How You Relate To Someone Based on cMs (CentiMorgans)

Good Day,

I have been introduced to a very good tool that assists with trying to figure out the probabilities based on the cM - Centimorgan.

From the International Society of Genetic Genealogy Wiki

"In genetic genealogy, a centiMorgan (cM) or map unit (m.u.) is a unit of recombinant frequency which is used to measure genetic distance. It is often used to imply distance along a chromosome, and takes into account how often recombination occurs in a region...

The genetic genealogy testing companies 23andMe, AncestryDNA, Family Tree DNA and MyHeritage DNA use centiMorgans to denote the size of matching DNA segments in autosomal DNA tests. Segments which share a large number of centiMorgans in common are more likely to be of significance and to indicate a common ancestor within a genealogical timeframe."

The tool is the DNA Painter, The specific tool I am referring to is the Shared cM Project 3.0 tool v4. Click on the highlighted links provided.

Here are the results of me to a 1st cousin who's a match at 23andMe. 23andME indicates a cM result of 816.

Here are the relationship probabilities.

As I know that the individual is my 1st Cousin, it is a forgone conclusion that he, KLS, and I are rated at a 95.25% probability.

And here is the produced chart of possible matches and their associated cM ranges.

The search continues.  And I just keep on going.

If you have any comment, question, thought, idea please feel free to contact me via email at A Genealogy Hunt or jsmith58@gmail.com.

Regards,

Jim

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