Many people wrongly assume that 23andMe Population Geneticist Kasia Byrc must be Irish because of her red hair, she explains the genetics.

23andMe’s popular Ancestry Composition just got a little better. The feature estimates what percentage of your DNA comes from populations around the world, breaking down the Asian, African or European...

The story of H is really the story of people in modern Europe. H refers to a maternal lineage – also known as a maternal haplogroup – that originated long...