This illustration drawn by a scientist is based on observations of a cell under a microscope. Which statement best describes the telophase of mitosis?
a. In this stage, the nuclear membranes form around the chromosomes, forming two new nuclei.
b. In this stage, the sister chromatids pull apart and migrate toward opposite ends of the cell.
c. In this stage, the pairs of sister chromatids attach to the spindle fiber.
d. In this stage, the membrane breaks down, freeing the chromosomes.