Other spindle fibers do not attach to chromosomes, but instead form a scaffold that provides mechanical force to separate the daughter nuclei at the end of mitosis. From his many detailed drawings ...

The chromosome pairs separate; half of the chromosomes move toward one end of the cell, the other half, to the other end. The chromosomes' sister chromatids do not separate as they do in mitosis.

Finally, during telophase, a nuclear membrane forms around each set of chromosomes to separate the nuclear DNA from the cytoplasm. The chromosomes begin to uncoil, which makes them diffuse and ...