This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Type 1 5α - reductase enzyme is found in all except 
Select and explain. 
A. Skin, B. male genitalia, C. Brain, D. Liver
B: male genitalia
Answer: B: male genitalia 
Explanation: Type 2 5 alpha reductase enzyme is expressed in male genitalia.