What is a Centimorgan? | Centimorgans Explained

What is a centimorgan? When you take a DNA test for finding birth relatives or family history, your DNA match list includes your shared centimorgans (cM). That number of centimorgans can help you figure out how you are related to your DNA matches. Your DNA Guide Diahan Southard explains what you need to know.

Enjoyed our video about Centimorgans? Get a free downloadable guide to contacting Your DNA matches at https://www.yourdnaguide.com/dnamatches.

You can DO the DNA—and we can help! Learn how DNA reveals your origins in:
Your DNA Guide—the Book by Diahan Southard. The ultimate do-it-yourself manual for using DNA to explore your genetic origins: https://www.yourdnaguide.com/your-dna...

Your DNA Guide—the Mentor. One-on-one, private consultations with a DNA expert about your DNA test results and questions: https://www.yourdnaguide.com/thementor

Your DNA Guide—the Academy. The ultimate hands-on DNA education! Take exclusive, online master classes from Diahan Southard: https://www.yourdnaguide.com/theacademy

Go beyond centimorgans!
Start your DNA learning at https://www.yourdnaguide.com/

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