New Feature: Relationship Predictions at GEDmatch

GEDmatch is providing relationship predictions on its site for the first time ever. Find out how you’re related to the matches you see without leaving the page. Update Feb. 22, 2022: A newer relationship predictor, which is the first and only predictor to use...
3/4 Siblings: You Can Tell the Difference

3/4 Siblings: You Can Tell the Difference

We can now easily differentiate between 3/4 siblings and full-siblings over 94% of the time Click here for relationship predictions that include 3/4 siblings and other double cousin relationships. Three-quarter siblings have been confounding genetic genealogists for...

DNA Coverage with Multiple Kits

How much of an ancestor’s or relative’s DNA do you reproduce when you combine kits of multiple testers? I wrote the original article on DNA coverage from multiple kits a few years ago. I included tables that showed the amount of an ancestor’s autosomal DNA...