Answer: b. metaphase
Explanation:
In cell biology, the spindle apparatus can be define as a cytoskeletal structure can be found in the eukaryotic cells that actually develops during the process of cell division which can be used to separate sister chromatids so as to distribute them equally in the daughter cells. Metaphase is the phase of mitotic division where spindle apparatus can be seen for the distribution of the sister chromatids to the daughter cells.
