Question

At the end of G₂ phase, cells scan each DNA fragment for errors before entering mitosis. This is an example of a(n)
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Answer 1

This is an example of a **checkpoint**. Specifically, it refers to the G2 checkpoint, which is responsible for ensuring that the DNA is accurately replicated and free of damage before the cell proceeds to mitosis. During this phase, the cell checks for DNA integrity and repairs any mistakes to prevent the propagation of errors to daughter cells.