Purpose It has been hypothesised that certain mitochondrial haplogroups, which are defined by the presence of a characteristic cluster of tightly linked mitochondrial DNA polymorphisms, would be ...

The Y chromosome retains a remarkable record of human ancestry, passed directly from father to son. In an article in Genome Research, scientists have utilized recently described genetic variations on ...

All present-day and ancient Mesoamericans belonged to haplogroups A2, B2, C1, D1, and D4. Black: Teotihuacan. Purple: Other Ancient Mesoamericans. Green: present-day Maya. Magenta: present-day Mazahua ...

One of the world's greatest genetic mysteries is how a DNA marker present in Europe reached North America, leaving no clear trail through Siberia or Alaska. Scientists have been baffled by how ...