A mule is the offspring of a male donkey and a female horse. The offspring of a female donkey and male horse is a hinny.
A horse has 64 chromosomes and a donkey has 62. Mules and hinnies end up with 63.
A male mule is called a john; a female mule is called a molly or mare.Mules are almost always infertile but very rarely female mules have been known to give birth.Aristotle was worried by the mule’s inability to reproduce as it contradicted his view of what constituted the essence of a species.The Road Hammers put together a special video for this day. Not really, but it does celebrate the misunderstood equine!