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  4. In multicellular organisms all the cells present in the body divide by

Q. In multicellular organisms all the cells present in the body divide by

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Solution:

Cell division is the main process by which there is increase in the numbers of cells in a multicellular organism. There are two basic modes of cell divisions:
  1. Mitosis is also called as equational division or somatic division. In this process, the mother cell forms two identical daughter cells. Their chromosome numbers remains the same as that of the mother cell. This is needed for growth, repair, maintenance of the organism.
  2. Meiosis is called reductional division. In this process, the mother cell forms four daughter cells. The chromosome numbers are reduced to half as compared to the mother cell. This is seen during gamete formation.
In a multicellular organism, both types of cell divisions take place.