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- In mitosis, the chromosome copies separate, the nucleus divides and the cell divides. This produces two cells called daughter cells Each daughter cell is genetically identical to the parent cell and to one another. The organism now has more cells and so has grown.
www.bbc.co.uk/bitesize/guides/zgtdb82/revision/2Mitosis and the cell cycle - How do organisms grow and ... - BBC
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Apr 28, 2017 · During mitosis, the DNA is maintained exactly, from parent to daughter cells. In meiosis, the number of alleles per gene is reduced, allowing gametes to form and create an organism with only two alleles per gene.
Oct 21, 2024 · mitosis, a process of cell duplication, or reproduction, during which one cell gives rise to two genetically identical daughter cells. Strictly applied, the term mitosis is used to describe the duplication and distribution of chromosomes , the structures that carry the genetic information.
- The Editors of Encyclopaedia Britannica
- Mitosis is a process of cell duplication, in which one cell divides into two genetically identical daughter cells. In the various stages of mitosis...
- Mitosis is the division of a cell into two daughter cells that are genetically identical to the parent cell. Meiosis is the division of a germ cell...
- Mitosis is important to multicellular organisms because it provides new cells for growth and for replacement of worn-out cells, such as skin cells....
Nov 5, 2023 · Animal cells utilize centrosomes and astral microtubules for spatial orientation during mitosis. Plant cells rely more on the spatial structure provided by the cell wall and vacuoles for the organization of their mitotic spindle.
- Regina Bailey
- Interphase. Before a dividing cell enters mitosis, it undergoes a period of growth called interphase. About 90 percent of a cell's time in the normal cell cycle may be spent in interphase.
- Prophase. In prophase, the chromatin condenses into discrete chromosomes. The nuclear envelope breaks down and spindles form at opposite poles of the cell.
- Metaphase. In metaphase, the spindle reaches maturity and the chromosomes align at the metaphase plate (a plane that is equally distant from the two spindle poles).
- Anaphase. In anaphase, the paired chromosomes (sister chromatids) separate and begin moving to opposite ends (poles) of the cell. Spindle fibers not connected to chromatids lengthen and elongate the cell.
During mitosis, many of the spindle fibers attach to chromosomes at their kinetochores (Figure 6), which are specialized structures in the most constricted regions of the chromosomes.
Feb 2, 2023 · In lower animals such as amoeba, mitosis is a means of asexual reproduction without the involvement of sex cells or gametes. The term ‘mitosis’ was coined by Walther Flemming in 1882 and derived from the Greek word ‘mitos’ meaning ‘warp thread’.
What Happens during Prometaphase? When prophase is complete, the cell enters prometaphase — the second stage of mitosis. During prometaphase, phosphorylation of nuclear lamins by M-CDK...
