The answer to the question "Sex?" is...
Of course now they phrase it differently, and say "Gender", for which there are several answers that can be provided.
Me? One of the most competent programmers I worked with was of the female persuasion (Hi Joy!). She had learned programming from the ground up. You know they are a good programmer when they start adding up their checkbook in octal (she was programming a pdp-8 at the time).
Life goes on. Understand that everyone has some "bias" and live with it.