In the strictest biological terms, sex is dichotomous (a person is either male or female), but this does not reflect the lived reality of intersex people: You can be born appearing female but have a 5-alpha reductase deficiency and grow a penis at age 12. Medically, this condition is known as 5-alpha Reductase Deficiency. You can be born legally male with an X and a Y chromosome, but your body is insensitive to androgens, and you appear female. Androgen... Read more