Why are mules bred so often if they can't reproduce? - Quora
Mule's foal fools genetics with “impossible” birth – The Denver Post
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SOLVED: Mules are the offspring of the mating of a horse and a donkey. Mules are unable to reproduce. A horse has a total of 64 chromosomes, whereas donkeys have 62 chromosomes.
Why can't mules reproduce? - Quora
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Mule's foal fools genetics with “impossible” birth – The Denver Post