Introducing Sibling Lotto!

A new visualization tool helps people understand the ways that full-siblings can share DNA as well as average sharing percentages Yesterday a new tool was released that will help a lot of beginners and veteran genetic genealogists alike. These visualizations show in...

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...

Relationship Predictions from Ped-sim

Introducing the first ever relationship predictions to come from a peer-reviewed data source Today I’ve released two new relationship predictors, one with population weights and one without weights. The data came from Ped-sim, which you can read about in this...

Musings on the D in BMD

I’ve been researching my family tree for seven years now. I admit that that isn’t very far back—I haven’t even gotten to my own birth yet. My genealogical origin story is called The Missing Chevalier. The commencement of the very rigid journey was...