FACTS ABOUT PET REVEALED

Mitochondrial DNA signifies that almost all present day dogs fall into 1 of 4 monophyletic haplogroups that are named haplogroups A, B, C, and D. Nearly all dogs slide within haplogroup A. The mDNA "molecular clock" suggests that 22,800 YBP the very first genetic divergence (split) occurred in haplogroup A, resulting in the lineages A1b and A2. Thi