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': 'Environmental Manipulation which enable genes to express themselves readily is known as \nSelect and explain. \nA. Positive eugenics, B. Euthenics, C. Negative eugenics, D. Genetic Counselling', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Eugenics (Sir Francis Galton): Is a social philosophy which advocates the improvement of human hereditary traits\xa0through various forms of intervention (Genetic Manipulation).\nEuthenics: Deals with human improvement through altering external factors such as education and the controllable\xa0environment, including the\xa0prevention and removal of contagious disease and parasites, environmentalism, education\xa0regarding home economics, sanitation, and housing (Environmental Manipulation).', 'role': 'assistant'}]