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Most human body cells undergo cell division, the process by which cells reproduce themselves. The two types of cell division somatic cell division and reproductive cell division accomplish different goals for the organism.
A somatic cell is any cell of the body other than a germ cell. A germ cell is a gamete (sperm or oocyte) or any precursor cell destined to become a gamete.
In somatic cell division, a cell undergoes a nuclear division called mitosis and a cytoplasmic division called cytokinesis to produce two genetically identical cells, each with the same number and kind of chromosomes as the original cell.
Somatic cell division replaces dead or injured cells and adds new ones during tissue growth.
Reproductive cell division is the mechanism that produces gametes, the cells needed to form the next generation of sexually reproducing organisms.
This process consists of a special two-step division called meiosis, in which the number of chromosomes in the nucleus is reduced by half.
Cell Division Notes Includes Topics
The most important topics regarding Cell Division are;
- Cell division definitions
- Mitosis
- Stages of mitosis
- Interphase
- Prophase
- Metaphase
- Anaphase
- Telophase
- Meiosis I and Meiosis II
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