Well im not sure but the top ten elite are mostly Freisian horses.
The answer for howrse is - Przewalski's Horse
It is not possible to change your foundation horse's breed on Howrse. You can however wait until you are able to access the auctions or sales and buy a horse of another breed, or you could breed from your current horse to produce a crossbred.
No, its a divine horse which cant be bred
Thoroughbreds
Arabians and Quarter horses. But any horse can be trained to be good at cross county.
Yes, you can. Just buy a howrse, or if you have a female breed her. andalina
Yes they can. Any pony can breed with any horse on Howrse.
The breed of the foal depends on the breeds of the parents.
For Howrse: Figure
it should be when they are 2 and a half years
every light horse ( not draft horses)
Depends on what you're aiming for really. If the quarter horse is purebred, then you can breed it with another purebred QH to get a purebred foal, or you can crossbreed with another breed.