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: Medicine
The genetic mutation seen in the most common type of maturity onset diabetes of young (MOM') is: 
Select and explain. 
A. Hepatocyte nuclear factor-4, B. Hepatocyte nuclear factor-1, C. Glucokinase, D. Insulin promoter factor-1
B: Hepatocyte nuclear factor-1
Answer: B: Hepatocyte nuclear factor-1 
Explanation: Answer-b. Hepatocyte nuclear factor-1 Maturity onset Diabetes in Young (MODY) TypesMODY-1HNF-4 alphaMODY-2GlucokinaseMODY-3HNF-1 alpha (most common)MODY-4IPF-1MODY-5HNF-1 betaMODY-6NeuroD1/beta2