Select Your Gender

I nowadays have the leisure to undertake online surveys. A frequent question asks the participant "Select your Gender" No, this is not another rant about my dislike of the use of a grammatical term to avoid mentioning "sex". It is the giggle factor in the idea that one can actually select ones sexual orientation. There are just two options: M or F. No opportunity to be L,G,B,T, or Q. Since I am just a straight M, my dismay is second-hand, for those not so straightforwardly identified. That being the case, I am left wondering why the designer didn't just display two boxes, one for M and one for F. Come to think of it, that would at least give the opportunity for bisexuals to mark both boxes. Not that this would work: the participants are limited to choose one orientation if they want to respond to the survey.