Exposure to unusually high levels of testosterone during prenatal development led to the development of male-appearing genitals in a genetically female newborn. the newborn most clearly showed signs of

The answer would be: a disorder of sexual development

The high testosterone level causes the female newborn develop a male genitalia. Since her genetic should be XX, she should not have a male genitalia. This condition is would be called the disorder of sexual development.

Androgyny would be the appearance of secondary sex characteristics that show up in adolescence. Bisexual orientation also supposed to appear in adolescence.