Biology

The correct answer is: C.The centromeres split, allowing chromatids to separate.

Anaphase begins when the centromeres that hold the sister chromatids together split, allowing the chromatids to separate. The spindle fibers then pull each sister chromatid toward opposite poles of the cell.

Here's an explanation of the other options:

A.Chromosomes align at the metaphase plate: This happens during metaphase, not anaphase.

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