Sorry, the other one wouldn't have shown anything because it didn't have a "nobody else in my family" option. Try this one. Now I've left off the well-hung brothers option, dammit. (I hate how you have to race against the clock to put up a poll, and then you can't change it.) But I'm more curious about whether it goes on one side or the other, that is, whether it's sex-linked. The thing is, if you get it from your mother or your mother's side, it can't be carried on the Y chromosome, which determines your sex, but which comes from your father.