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
Effect of environment on genes is called- 
Select and explain. 
A. Positive Eugenics, B. Negative Eugenics, C. Euthenics, D. Enthenics
C: Euthenics
Answer: C: Euthenics 
Explanation: Ans. is 'c' i.e., Euthenics