A Tumor Suppressor Gene Undergoes a Mutation That Causes It

question 23

Multiple Choice

A tumor suppressor gene undergoes a mutation that causes it to lose its normal function.What would be the most likely result of this mutation?

• A) The cell cycle halts and reverses back to the G₀ stage.
• B) The cell cycle undergoes contact inhibition even when it is not surrounded by other cells.
• C) The cell cycle accelerates.
• D) The cell no longer responds to signals that cause it to stop dividing or undergo apoptosis.
• E) The cell stops dividing permanently and will never re-enter the cell cycle.

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