Figure 2

Phylogenetic tree for Guanzhong Han and 10 reference populations constructed by the software MEGA v5 based on DA distances (A) and by the software PHYLIP v3.6 based on allelic frequencies (B), respectively.
Phylogenetic tree for Guanzhong Han and 10 reference populations constructed by the software MEGA v5 based on DA distances (A) and by the software PHYLIP v3.6 based on allelic frequencies (B), respectively.