<< Wrongo; You see people that arn't bi don't have a preference, i.e. there can be only one. Preference implies a list of things that you can chose from and people don't chose their sex. So I would switch them around and say genderist is based on man/woman whereas Sexist is based on ones sexual type. >>
Ok, from now on we only use Dually's sexual jargon, rather than the universally excepted jargon. LOL