yes it is possible I made one
she looks good. it took me two character modification opportunities to get my girl looking good, but there needs to be a body modification system. The long, male arms and wide shoulders are some things that could be improved upon for female characters, IMO.
Cosmetic surgery should be added to GTAO in the future in order to truly make fun of American, particularly Californian culture. Boobs, butts and lip jobs could be offered. think of the monstrosities that would be created and thus roaming LS with assault rifle in hand.