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: Social & Preventive Medicine
Hardly-weinberg law is related to- 
Select and explain. 
A. Population genetics, B. Health economics, C. Social medicine, D. None of the above
A: Population genetics
Answer: A: Population genetics 
Explanation: Ans. is 'a' i.e., Population genetics Hardly-Weinberg law The hardly-weinherg law states that "The relative frequencies of each gene allele tends to remain constant from generation to generation". o Thus, the study of gene frequencies, and the influences which operate to alter the "gene pool" and their long term consequences is the central theme in population genetics.