The phrase
"dog lineages" refers to the different groups or branches of dogs that have evolved or descended from a common ancestor over time.
Full definition
«The burden of proof is higher» to support a scenario in which multiple
domesticated dog lineages emerged independently in different parts of the planet, he says.
After extensive research, many breeders in their club discovered that some of their dogs had Australian
Cattle Dog lineage.
It is more closely associated with maternal lineages found in wolves, foxes, and jackals than with
other dog lineages.
But it's also possible that these early members of
the dog lineage weren't yet tame or living with humans, says Pontus Skoglund, a geneticist at Harvard Medical School who led the study.
We were thinking we might find that all three of
the dog lineages are most closely related to one of the three wolf lineages.
Owners of such breeds need to do bloodline research to see if cancer is a problem in
their dogs lineage.