How new cells arise from pre extisting cells
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Answer:
by process of cell division ....
1. mitosis. exact copy of mother cell ...necessory for growth
2. miosis. daughter cell contain half chromosomes as compared to mother cell ...necessory for sexual reproduction for maintaninig chromosome no. of a species
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Answer:
By cell division cycle
Explanation:
when the cell divides daughter cells arises and again the daughter cells divides and gives rise to their daughter cells.it is either by mitosis or meiosis
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