Answer:The process by which a cell's nucleus divides to form two identical nuclei is called mitosis.Mitosis is responsible for growth, development, and tissue repair in multicellular organisms. It involves several stages:1. Prophase2. Metaphase3. Anaphase4. TelophaseAfter mitosis, the cell undergoes cytokinesis, which is the division of the cytoplasm, resulting in two daughter cells.