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Mitosis is a fundamental process of cell division, where a single eukaryotic cell splits into two identical daughter cells. It is characterized by the replication of DNA during the S phase of the cell cycle, followed by chromosome condensation, nuclear membrane breakdown, and cytoplasmic division. Mitosis plays a crucial role in growth, development, and tissue repair in multicellular organisms, ensuring genetic continuity and maintaining proper cell numbers. As a subcategory under Recombination, Mitosis is closely tied to the broader field of Genetics, as it involves the precise regulation of genetic material during cell division. Within the context of Science, Mitosis represents one of the most fundamental mechanisms underlying life's complexity and diversity.