SegcM for Multiple Testers

Improved predictions are now available when siblings have tested As of today a new relationship predictor is available to genetic genealogists. Previously, you could get the most accurate DNA match predictions by using SegcM. All you had to do was enter the total cMs...

What Is a Good Prediction?

Key to understanding how new relationship predictors perform is an understanding of how probabilities work One time I was sitting and waiting for class to begin in one of many advanced statistics courses I took. The professor entered and started class with something...

Segments Matter!

People have been asking for this for a long time. Relationship predictions that include # of segments work much better than expected. It’s here! Today a new relationship predictor is available for you to use for free. You can now enter the total number of...

X-DNA is usually more recent than autosomal DNA

New discoveries overturn the familiar adage that X-DNA is usually from a farther back ancestor than autosomal DNA As of today, you can test the new discoveries against the old adage by comparing any amount of X-DNA to the same amount of autosomal DNA. Two months ago I...