paternal line

A few weeks ago Vox did a piece about a 23andMe customer, who at 50 found his biological sister and his mother using the service. He’d been adopted. His sister...

by Emily Chang, Joanna Mountain and Mike Macpherson Click on the image above for a larger version of this chart, which shows that some ancestry combinations are more common than...

The 23andMe Personal Genome Serviceâ„¢ offers information about customers’ maternal and paternal ancestry by examining their mitochondrial DNA (which we all inherit from our mothers) and the Y chromosome (which...