. Exposure of a female fetus to androgen in early embryogenesis may arrest differenitation of:
This is common sense. We have discussed so many times that in females exposure of androgens in early embryogenesis results in ambiguous external genitalia.
The external genitalia are formed by urogenital sinus (so it is our answer of choice)
Mullerian ducts
Ovary
urogenital sinus
Mesonephric ducts