Biology Professor Explains What “Biological Sex” Really Means, Starts A Heated Debate On Twitter BoredPanda staff Sad to say, prejudice, discrimination and bigotry are still a thing in many societies, and part of it stems from people’s convictions regarding things like sex and gender identity. In today’s case, it particularly ties in with how the term biological sex is thrown about to justify one’s beliefs on what and how humans ought to be. Well, this one biologist explained on Twitter what biological sex actually is, that it’s not as clear-cut as some might believe it to b...