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: Pathology
The process of programmed gene directed cell death characterized by cell-shrinkage, nuclear condensation and fragmentation is known as - 
Select and explain. 
A. Necrosis, B. Chromatolysis, C. Pyknosis, D. Apoptosis
D: Apoptosis
Answer: D: Apoptosis 
Explanation: Ans. is 'd' i.e., Apoptosis