Are horses purebreeds or crossbreeds

Answer 1

There are some purebreds, but most are the result of a cross breeds. I think the Arabian is among the oldest purebred horses, along with a few others, like the akhal-teke. Thoroughbreds, Quarter horses, Tennessee Walkers, and most other breeds are the result of crossing between at least two other breeds, however, they are considered purebred once they have been bred within that breed for a few generations. And then tehre are the breeds considered crossbreeds, like the Anglo-Arab,a cross between an Arabia and a thoroughbred. or an Appendix horse, the cross of a thoroughbred and a quarter horse.

So, horses can be both a crossbreed, or a purebreed.