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16. Analyse the events during every stage of cell cycle and notice how the following two parameters change
                (i) number of chromosomes (N) per cell

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The number of chromosomes (N) per cell changes during the anaphase I stage of meiosis I. During this stage, the homologous chromosomes get separated and starts moving towards the opposite poles. Thus, the bivalents get divided into sister chromatids. This leads to a reduction of the number of chromosomes to half in daughter cells. 

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