History of Dogs? Or Maybe Wolves?

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Origin

Do you know that the adorable little puppy you bought home last week could possibly be a descendent of a wolf? It may well be true! In fact, many theorists believe that wolf is the direct ancestors of domestic dog. Nevertheless, there are just as many who argue that it seems impossible to have over 400 varieties of dogs descended from just one species.

-Anatomically, the make-up molecules of the wolf over the centuries have remained unchanged, and research revealed that the DNA of wolf and dog are almost identical! The general pattern of dogs skeleton is still very similar to those of wolves in terms of their components, but significant changes can be detected, most obviously in the shape of the skull and the length of some of the limb bones.

The divergence in physical appearance could possibly be the result of mutation or even during cross breeding. Today, breeds such as the Alaskan malamute still retain a strong affinity with the wolf, in terms of their facial appearance and underlying skull structure.

-Behaviorally, both dogs and wolves bury bones; turn in circles before settling down for sleep; howl at the moon and frequently leg lift to...

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