Purpose: To determine whether the main mitochondrial DNA (mtDNA) haplogroups of the Han people have an impact on long-term clinical outcome. Methods: We prospectively studied 181 individuals who ...

Researchers from Khalifa University, Saudi Arabia, working with regional and international collaborators, have examined Yemeni DNA to reveal how migrations from the Levant, Arabia, and East Africa ...

Darrell Crawford has the oldest DNA found in North America — a genetic line that was traced back a whopping 55 generations.

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 ...