Sex and gender

His post that "tipped the scale," according to Staddon, was titled "Hmm… Binary view of sex false? What is the evidence? Is there a Z chromosome?" Staddon told Newsweek he created the post on April 15.

It could hardly be more clear: Staddon was saying that there are only two sexes – a basic biological fact. It's absurd, of course, for him to be censured for stating the obvious, if indeed that was the reason for his removal from the APA forum. But no wonder the debate's in such a mess if this is the standard of reporting…