The United States Congress has once again taken up the Equality Act, which would explicitly extend civil rights protections to classes defined in terms of sexual orientation and gender identity. While there may be legitimate discourse on some of the finer points of the legislation, what troubles me most is how often an overly simplistic and reductive understanding of biology is dragged out in an attempt to refute the validity of some of these categories. My first instinct is to correct and clarify the science, but in … [Read more...] about Science Corner: You Are More than Your Karyotype