Sentences with phrase «ancient ancestral lines»
One of the earliest Chinese references to the Mastiff dates to 1121 B.C. Obviously, modern Mastiffs come from ancient ancestral lines.
https://www.petwave.com/ Not exact matches
The theory: Millions of years ago, an ancient human ancestor contracted a retrovirus that inserted its DNA into the host's reproductive germ cells, passing the viral DNA down the ancestral line.