Genetic studies show that all ancient and modern dogs share a common ancestry and descended from an ancient, now-extinct wolf population - or closely related wolf populations - which was distinct from the modern wolf lineage.
How did dogs evolve from wolves?
Dogs were probably domesticated by accident, when wolves began trailing ancient hunter-gatherers to snack on their garbage. Docile wolves may have been slipped extra food scraps, the theory goes, so they survived better, and passed on their genes. Eventually, these friendly wolves evolved into dogs.
Did all dogs descend from wolves?
All modern dogs are descendants of wolves, though this domestication may have happened twice, producing groups of dogs descended from two unique common ancestors.
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