Which process is primarily responsible for cell division that contributes to growth and tissue repair?

Mitosis is the process responsible for cell division that contributes to growth and tissue repair. During mitosis, a single cell divides to produce two genetically identical daughter cells, each containing the same number of chromosomes as the parent cell. This is essential for the growth of multicellular organisms and allows for the replacement of damaged or dead cells, promoting tissue repair.

Mitosis is fundamental to various biological processes, including development, maintenance of tissues, and healing injuries. It ensures that new cells are produced that are exactly like the original, maintaining the necessary functions and structural integrity of the tissues.

In contrast, meiosis is a type of cell division that occurs to produce gametes (sperm and egg cells) and is not directly involved in growth or tissue repair. Cytokinesis, while an important step that often follows mitosis, refers specifically to the division of the cytoplasm and is not the primary process itself; rather, it's part of the overall mechanism of cell division. Binary fission is a method of asexual reproduction primarily seen in prokaryotic organisms, such as bacteria, and is not related to growth and repair in multicellular organisms.