Pseudohermaphrodism exists in humans (people born with multiple sets of genitals). That doesn't fit into your claim of only bimodal and this is just the externa

Pseudohermaphrodism exists in humans (people born with multiple sets of genitals). That doesn't fit into your claim of only bimodal and this is just the external presentation of gender. I would encourage you to explore the topic more. It's not as simple as boy/girl only. https://science.jrank.org/pages/3310/Hermaphrodite-Hermaphrodism-in-humans.html https://science.jrank.org/pages/3310/Hermaphrodite-Hermaphro...