Indicate the significance of mitosis and meiosis in cell evolution.

Owing to mitotic cell division, the individual development of the organism takes place – its growth increases, tissues are renewed, aged and dead cells are replaced, and asexual reproduction of organisms is carried out. The constancy of the karyotypes of individuals of the species is also ensured.
Due to meiosis, crossing over occurs (exchange of sites of homologous chromosomes). This contributes to the recombination of genetic information, and cells are formed with a completely new set of genes (a variety of organisms).

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