If you have a pelvis or even a sacral bone recognizing typical male from female is trivial. How many false positive errors can be made? No idea, but if your bo

If you have a pelvis or even a sacral bone recognizing typical male from female is trivial. How many false positive errors can be made? No idea, but if your bones during several years are bathed in a sex hormones cocktails different from what your sex chromosomes are indicating, then on a body plan level you are not what chromosomes are saying. It is debatable if such mix up is a classification error.