mathematics and science for use in Genetic genealogy

Tools

RELATIONSHIP PREDICTOR

This relationship predictor uses the most accurate data currently available and shows differences between maternal and paternal relationships.

This tool is the same as the above relationship predictor except that it includes 3/4 siblings and double 1st cousins—the first tool of its kind.

How much of an ancestor’s DNA do you have? How much would you be able to reproduce if you and various relatives all had your DNA tested?

by Brit Nicholson | Apr 6, 2021

Relationship predictions are now updated to include differences in maternal and paternal...

by Brit Nicholson | Oct 23, 2020

A formula to improve the estimation of the genetic relationship between two parents GEDmatch has...

by Brit Nicholson | May 15, 2020

The only cousin statistics that acknowledge the differences in paternal and maternal relatives due...

by Brit Nicholson | Apr 18, 2021

Previous calculations could only estimate the expected value. Now we can find the exact…

by Brit Nicholson | Mar 12, 2021

You already know that you get 25% DNA, on average, from a particular grandparent. But we can do...