If a scientist is monitoring cytokinesis in a cell, then the scientist must be witnessing A. Anaphase.
Cytokinesis refers to the physical process of cell division that's vital for the division of the cytoplasm into two daughter cells.
Cytokinesis begins with the anaphase and then continues through to the telophase. The anaphase is the stage of mitosis where replicated chromosomes are divided into daughter cells.
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