LITTLE KNOWN FACTS ABOUT PETS.

Mitochondrial DNA indicates that just about all contemporary dogs tumble into a single of 4 monophyletic haplogroups which can be named haplogroups A, B, C, and D. Nearly all dogs slide inside haplogroup A. The mDNA "molecular clock" suggests that 22,800 YBP the first genetic divergence (split) happened in haplogroup A, resulting in the lineages A1