The X and Y chromosomes exist for a reason, denying biology only sets us back as a species and catapult all the previous studies carried out by people who took science seriously.

Me? No. I think there are two genders. I think the point he was making was that science couldn't prove the boxer was male until recently. You also made a good point about common sense. Circus freak went a little too far, though, in my opinion. The person was apparently born that way. The simple fact is that having the person compete as a woman violates the whole idea of fair competition.