What did the study of male identical twins, one accidentally castrated during circumcision and raised as a girl until puberty, reveal?

1. A Option A: The castrated twin was tidier than his brother but never played with dolls
2. B Option B: The castrated male still acted like a tomboy
3. C Option C: The intact twin gradually became more "feminine"
4. D Option D: All of the above

Answer checked 11 October 2026 · How we write and check questions