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Using cM counts to help find the common ancestor: part 3 of 3

What if your analysis of your match doesn’t match the shared cM chart?

Most people are able to find their Most Recent Common Ancestor (MRCA) when they share over 90 cM of matching DNA. Below that, it begins to get a little more challenging. In this February 2017 series of blog posts, I’ve been focusing on identifying the MRCA with people who share more than 60 cM with us, projected to be 4th cousins or closer. You may not have much in that range and have chosen to work with matches who share 45-60 cM with you. That’s okay. There are a few key reasons why we want to focus on this group.

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