Reference Terms
from Wikipedia, the free encyclopedia


In its common modern meaning, a mule is the offspring of a male donkey and a female horse.

This can be compared with the offspring of a male horse with a female donkey, called a hinny.

The term "mule" was formerly applied to the offspring of any two creatures of different species – in modern usage, a "hybrid".

The mule, easier to breed and usually larger in size than a hinny, has monopolised the attention of breeders.

The chromosome match-up more often occurs when the jack (male donkey) is the sire and the mare (female horse) is the dam.

Mules and hinnies are almost always sterile.

Note:   The above text is excerpted from the Wikipedia article "Mule", which has been released under the GNU Free Documentation License.
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