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
Environmental Manipulation which enable genes to express themselves readily is known as 
Select and explain. 
A. Positive eugenics, B. Euthenics, C. Negative eugenics, D. Genetic Counselling
B: Euthenics
Answer: B: Euthenics 
Explanation: Eugenics (Sir Francis Galton): Is a social philosophy which advocates the improvement of human hereditary traits through various forms of intervention (Genetic Manipulation).
Euthenics: Deals with human improvement through altering external factors such as education and the controllable environment, including the prevention and removal of contagious disease and parasites, environmentalism, education regarding home economics, sanitation, and housing (Environmental Manipulation).