Mitosis is the process where a cell nucleus divides into two new nuclei, each of which contains the same number of chromosomes as the parent cell. The correct answer is B.
Mitosis is cell division that results in two daughter cells with the same number of chromosomes as the parent cell. The term mitosis in its narrow sense involves the division of the nucleus into 2 daughter nuclei and the term cytokinesis is used for the division of the cytoplasm that produces daughter cells, each of which contains a daughter nucleus.
In animals and humans, the process of mitotic division occurs in all body cells (somatic), except for sex cells (gametes). In animals, asters are formed and a groove is formed at the equator in the cell membrane during telophase so that the two daughter cells become separated.
Learn more about the part of meiosis that is similar to mitosis here :
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