According to the American Psychiatric Association, when a person is intensely uncomfortable and distressed with his or her biological gender and strongly identifies with, and wants to be, the other gender, that person may be said to have

A) monorchism.
B) gender dysphoria.
C) hypospadias.
D) 5-alpha reductase deficiency.

The American Psychiatric Association defines gender dysphoria as the distress a person experiences when their biological sex does not align with their gender identity. This is marked by a strong desire to be recognized and treated as the other gender. Monorchism is the condition of having only one testicle, hypospadias is a condition where the urethra does not exit at the tip of the penis, and 5-alpha reductase deficiency is a genetic condition that affects the development of male genitalia. None of these conditions are related to gender identity.