We have a lot of theory about this subject. The most popular and the most probable one is that the dogs came from wolf. We can say that when we compare their features. We can find a lot of similarity beetwen them. They have all most the same teeth, very similar size of brain and quite similar behaviour. The next theory, whichol Darwin support, is that the dogs are related with coyotes and jackals. Propably dogs came from East Asia, where they are produced from wolf and they takes all world. When we look at the dogs in part of world, wich are very far from Asia, we can see bigger diversity genes of dogs. During domesticate the dogs genes mutationt, that`s why some breed of dogs, don`t look like a wolf. It was about 17-12 thousand years ago. They was use then as hunters dog. Today dogs are our freid and in all species of mammal they are the most varied.
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