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Why does a multi cellular organism require two types of cell division ?
Answer
There are two distinct type of cell divisions taking place in multicellular organisms. One is mitosis in somatic cells for growth and healing of wounds and the other is meiosis in reproductive cells for producing gametes having half the number of chromosomes in order to maintain the number of chromosomes in the organism. It is essential to maintain the characters of the species. Therefore both type of cell division are necessary for an organism.