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
[{'content': 'Hardy Weinberg law is related to \nSelect and explain. \nA. Gene therapy, B. Population genetics, C. Human genome project, D. Eugenics', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hardy Weinberg law: states that the genotype frequencies in a population remain constant or are in equilibrium from generation to generation unless specific disturbing influences are introduced.\n\nGenetic equilibrium (HW law) is a basic principle of population genetics; the entire principle is based on Mendelian genetics.\nDeviations in HW law:\n\nHW law fails to apply in:\n\nNon-random mating (assortative mating)\nNew mutations\nGenetic drift\nGene flow\nNatural selection (mortality selection, fecundity selection)\nSmall populations migrations\nDynamic populations.\n\nHW law assumes that human population is static, large and has random mating.', 'role': 'assistant'}]