yes they are
Because then they wouldn't be CAMEL jockeys, they would be HORSE jockeys. And there is a huge difference between the two.
Jockeys
No.
yes they do
Jockeys wear a type of clothing called silks
Jockeys. And who ever else that wants to.
riding a grey horse
That is a jockey
The Clerk of Scales is the official (under the Racing Secretary's Office) who "runs" the Jockeys Room, weighing the jockeys out before a race and reporting any discrepancies in their weight to the stewards. His job is to make certain the jockeys are at or under the legal weight for that race's (and their mount's) allowance. The Clerk of Scales also notes and reports any changes of jockeys or of silks, and provides the Paymaster of Purses with a list of riding fees due each jockey that day. This is also the official who can be seen in the Winner's Circle after the race, recording the weight of every rider (and his gear) after he or she dismounts, to make certain no "weight was dropped" after the jockey's pre-race weigh-in.
are women allowed to race in the iditarod race
The maximum number of horses allowed to compete in the Preakness Stakes is typically 14. This limit is set to ensure the safety and welfare of the horses and jockeys during the race. However, the actual number of entries can vary each year, depending on the horses qualified and the interest in the race.
No. They wear the silks of the horse's owner(s).