A multi-nucleated cell is formed when a cell undergoes mitosis but not cytokinesis. A primary example of a cell type that undergoes nuclear division but not cytoplasmic division is a skeletal muscle cell.Continue Reading
Nuclear division among multicellular organisms is of two types: mitosis and meiosis. Mitosis, which is associated with repair and growth of the organism, is the process of producing two identical diploid daughter cells. Meiosis, meanwhile, is involved in generating four haploid sex cells called gametes that are used for sexual reproduction.
Prior to mitotic cell division, a process called interphase occurs in the nucleus, where the genetic material contained within the deoxyribonucleic acid, or DNA, is replicated. After interphase, mitotic division follows, which is comprised of four major phases: prophase, metaphase, anaphase and telophase. Mitosis starts during prophase where the chromosomes condense and the nuclear envelope begins to disintegrate.
The centromeres and kinetochores align on the equator during metaphase. In anaphase, the two chromatids that form are pulled apart to polar opposites of the cell. During telophase, the events in prophase are reversed, where the chromosomes begin to uncoil and the nuclear envelope reforms. Cytokinesis, which refers to the division of the cytoplasm, generally occurs at the end of telophase and produces two identical cells. In some cell types, the cells continue to grow in size instead of separating into distinct daughter cells. This is typical of myoblasts found in skeletal muscle fibers, which contain several nuclei inside their cells.Learn more about Cells
Differences between plant and animal cell mitosis include the presence of mid bodies, the role microfilaments play in cytokinesis and whether centrosome occurs. Initially, animal cell mitosis occurs in the epithelia and bone marrow, while plant cell mitosis is found in meristems.Full Answer >
Plant cells divide through the process of mitosis, followed by cytokinesis. Mitosis in plant cells is similar to mitosis in animal cells, which occurs in four stages: prophase, metaphase, anaphase and telophase.Full Answer >
Mitosis and cytokinesis differ in that mitosis the process in which a duplicated genome within a cell separates into identical halves, while cytokinesis involves the division of cellular cytoplasm into two daughter cells. Although both processes produce offspring cells, the cells produced during mitosis are identical, while those produced by cytokinesis are not. These processes also vary in length and complexity: mitosis occurs in three distinct phases, while cytokinesis requires just two.Full Answer >
The M phase in the cell cycle is known as the mitotic phase and is comprised of mitosis and cytokinesis. The outcome of the M phase is two distinct but identical daughter cells with the same genetic material.Full Answer >