How repeatedly mating the same domesticated wolves gave us all these different dog breeds?
In: Biology
You know how natural selection can make a species evolve? Dogs evolved using artificial selection.
Let’s say you want a very small dog that can go into badger den. You take the smallest wolves you can find and breed them together.
From the offspring you again take the smallest and breed them together.
From that offspring you again take the smallest and breed them together.
And so forth.. after many generations you’ll have a very small dog.
Want a Saint Bernhard? Do the opposite and breed the biggest wolves you can find and their biggest offspring.
Over tens of thousands of yours, you can create quite the variety!
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