The dog Diaries
Mitochondrial DNA indicates that just about all present day dogs slide into a single of four monophyletic haplogroups that are named haplogroups A, B, C, and D. The majority of dogs tumble within haplogroup A. The mDNA "molecular clock" implies that 22,800 YBP the primary genetic divergence (break up) occurred in haplogroup A, leading to the lineag