What happens when someone's chromosomes, sex hormones and body don't align?

AI Summary

The article explores complexities in biological sex, discussing how chromosomes, sex hormones, and body characteristics may not always align. It highlights the importance of understanding biological diversity in sex differentiation.

I teach a university course called Hormones and Behaviour. What surprises students is that biological sex is not produced by a single switch. What surprises me is that many students have never been taught this before. It is basic biology, but it helps explain life.