There seems to be some potential for abuse, with the advent of gene doping and cloning. Who's to say crooked labs won't take the genetic make-up from the samples of the best athletes in the world and sell them, giving to experimentation with the creation of physically superior human beings? I'm no scientist, but isn't this a possible outcome?
I think it would be more complex than this. Also, at a recent USATF high performance meeting, a geneticist from Baylor indicated that ALL forms of doping (including gene doping AND as-yet unidenfied drugs) could quite easily be identified by a technique he uses to examine RNA. Can't remember the details other than that they aren't intended for doping identification and that he seemed dumbfounded why they weren't currently being used. I do remember that it would require quite a bit of money.