PETS - AN OVERVIEW

Mitochondrial DNA signifies that just about all contemporary dogs tumble into a person of four monophyletic haplogroups which can be named haplogroups A, B, C, and D. Nearly all of dogs drop within haplogroup A. The mDNA "molecular clock" implies that 22,800 YBP the initial genetic divergence (split) occurred in haplogroup A, causing the lineages A