Little Known Facts About pets.
Mitochondrial DNA suggests that almost all fashionable dogs fall into a person of 4 monophyletic haplogroups which happen to be named haplogroups A, B, C, and D. Many dogs fall within haplogroup A. The mDNA "molecular clock" indicates that 22,800 YBP the first genetic divergence (split) occurred in haplogroup A, leading to the lineages A1b and A2.