I must admit I have never reallt thought about gender in aikido. I have always been told there is not gender and that is how I view it. I have never felt that I am treated any differently to the males that I train with and vice versa. In fact the only problem I have is reminding them that I have a diff chest to them and to ask them to be careful when kneeling and applying the finishes to koshinage for instance. that can get a bit sore.