Solved UPSC CDS/OTA Question
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Q · Unit of Life: Cellmedium · 45s
Which cell cycle checkpoint assesses DNA integrity before mitosis?
TopicUnit of Life: Cell
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The G₂ checkpoint ensures all DNA is replicated correctly and repairs any damage before the cell enters mitosis, preventing propagation of mutations.
Final Answer: Option B - G₂ checkpoint