Final answer:
Cell number 3 is most likely in anaphase of mitosis.
Step-by-step explanation:
The number that indicates a cell that is most likely to be in anaphase of mitosis is 3.
Anaphase is the stage of mitosis where the sister chromatids separate and move towards opposite ends of the cell. In the provided options, only number 3 shows a cell that has divided chromatids, indicating anaphase.
The other options (1, 2, and 4) either show cells at different stages of mitosis or cells that have not yet entered anaphase.
Learn more about Anaphase of mitosis