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...

Has Relationship Prediction Drastically Improved?

A DNA tester has a few different options to see the possible relationships for their matches, including at the testing sites themselves. A new one has functionality like no other. I used to not be a fan of relationship prediction for genetic genealogy, wondering why...
A Banner Year for DNA-SCI.com

A Banner Year for DNA-SCI.com

It will be hard to capture all of the discoveries that have been made and posted at this site in the past twelve months. A year ago I was using a very basic natural model of genetic inheritance. I had been publishing averages and ranges of shared DNA for relationships...

Small Segments: Are We Asking the Wrong Question?

Small segments affect most of our matches, whether we think we’re using them or not. I don’t know that I would call it a debate, but the discussion about low centiMorgan (cM) DNA segments continues with fervor. And I almost never hear any arguments from the...

Shared X-DNA Between Relatives

X Chromosome averages and ranges are now available for the first time ever Remember to use the most accurate relationship predictor to find out how you might be related to your DNA matches. The 23andMe percentage input box is the only place where you can get...