A Review Of american bully
Mitochondrial DNA indicates that almost all modern-day dogs fall into one particular of 4 monophyletic haplogroups that happen to be named haplogroups A, B, C, and D. Nearly all dogs slide in haplogroup A. The mDNA "molecular clock" suggests that 22,800 YBP the first genetic divergence (split) happened in haplogroup A, leading to the lineages A1b a