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
Human chorionic gonadotrophin shares structural similarity with all except 
Select and explain. 
A. FSH, B. GH, C. LH, D. TSH
B: GH
Answer: B: GH 
Explanation: Amino acid sequence of α - subunit of hcG is identical in FSH, LH and TSH.