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: Biochemistry
Base stalking of DNA is done by: 
Select and explain. 
A. Linear dichromicity, B. Hypochromicity, C. Hyperchromicity, D. Electrophoresis
C: Hyperchromicity
Answer: C: Hyperchromicity 
Explanation: Hyperchromicity