![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/12/18-1.jpg?fit=860%2C460&ssl=1)
WOLF DOG Genetic analyses of various populations of living wolves from around the world suggest that modern dogs descend from a species of wolf that is now extinct.
Dobak/Flickr
WOLF DOG Genetic analyses of various populations of living wolves from around the world suggest that modern dogs descend from a species of wolf that is now extinct.
Dobak/Flickr