This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetic Basics Of Carcinogenesis, Subject name: Pathology
Cell arrest due to DNA damage is done through which of the following genes? 
Select and explain. 
A. Rb, B. P53, C. P16, D. Notch signal
B: P53
Answer: B: P53 
Explanation: TRANSIENT p53 INDUCED CELL CYCLE ARREST Mechanism: