What Is the P53 Gene and How Can Its Mutation

question 17

Multiple Choice

What is the p53 gene and how can its mutation cause cancer?

• A) It is a tumor suppressor gene that normally promotes apoptosis,and which causes cancer when it fails to induce apoptosis in rapidly dividing cells.
• B) It is a proto-oncogene that normally promotes onset of cell division,and which causes cancer when it cannot turn off and always promotes cell division.
• C) It is a tumor suppressor gene that normally promotes DNA synthesis,and which causes cancer when it fails to identify damaged or mutated DNA.
• D) It is a proto-oncogene that normally promotes apoptosis,and which causes cancer when it induces apoptosis in healthy cells but not in irregularly dividing cells.
• E) It is a tumor suppressor gene that normally promotes onset of cell division,and which causes cancer when it fails to properly regulate cell division.

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