THE ULTIMATE GUIDE TO DOGS

Mitochondrial DNA suggests that almost all fashionable dogs slide into 1 of 4 monophyletic haplogroups which can be named haplogroups A, B, C, and D. The vast majority of dogs fall within just haplogroup A. The mDNA "molecular clock" signifies that 22,800 YBP the 1st genetic divergence (split) transpired in haplogroup A, causing the lineages A1b an