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: Biochemistry
Primary hypercholesterolemia is ? 
Select and explain. 
A. Type I, B. Type Ha, C. Type IIb, D. Type III
B: Type Ha
Answer: B: Type Ha 
Explanation: Ans. is 'b' i.e., Type Ha