Respuesta :
Though scientists previously believed that domestic dogs evolved from canis lupus, the gray wolf, genetic analysis indicates they actually evolved from a now extinct species.
In other words, dogs as we know them are tamed wolves. The dog, Canis familiaris, is a direct ancestor of the grey wolf, Canis lupus. In addition to their altered behaviours, domestic dogs also differ physically from wolves in that they are typically smaller, have shorter muzzles, and have fewer teeth.Researchers examined the DNA of three canines that were discovered at 4,700–7,000-year-old archaeological sites in Germany and Ireland.
Modern European dogs are descended from the canines of antiquity. Scientists were able to date the domestication of dogs to between 20,000 and 40,000 years ago by examining the rates of change to the DNA from the earliest specimen.
Hence, modern dog are domesticated wolf.
To know more about Extinct species.
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