A fragment of a jawbone found deep underground in a cave in Somerset has rewritten the story of when and how dogs became our best friends. DNA analysis shows the jaw belonged to one of the earliest known domesticated dogs and that people lived closely with them in Britain 15,000 years ago, thousands of years before farm animals were domesticated or cats padded into our homes. The discovery pushes back the time that the first dogs evolved from their wolf ancestors by around 5,000 years. It also

Tag-uri: DNA