This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
Hardy Weinberg Rule is related to 
Select and explain. 
A. Social medicine, B. Population genetics, C. Health economics, D. None of the above
B: Population genetics
Answer: B: Population genetics 
Explanation: Hardy Weinberg Rule is a set of algebraic formulas that describe how the propoion of different genes can remain the same over time in a large population of individuals