Nuclear division occurs during both meiosis and mitosis, and is the process of the nuclear from one cell dividing and separating to form two new cells. In the case of mitosis, the division results in the two nuclei being genetically identical to the parent nucleus. In meiosis, however, two divisions occur, which results in four haploid cells being formed from a diploid parent cell. The process of dividing the nucleus involves the nuclear envelope disappearing while the chromosomes align at the center of the cell and microtubules extend from the centrosomes located on opposite sides of the cell. The microtubules attach to the centromere of the chromosomes, and pull the chromatids apart as the nucleus extends out and eventually blebs off, resulting in two new nuclei.
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