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During which phase of meiosis is the chromosome number reduced?

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Quick Answer

The chromosome number is reduced during the telophase II stage of meiosis. This last of eight stages of meiosis results in the formation of four daughter cells.

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Full Answer

During the previous seven stages, a single cell replicates into two cells with an equal number of paired chromosomes. In telophase II, the paired chromosomes move apart without replicating, creating two mirrored half-sets of chromosomes. Simultaneously, nuclei form at two opposite sides of each cell. Finally, cytokinesis, or cell division, occurs again in each cell. A total of four cells with a half-set of chromosomes each are created, ready to be transformed into egg or sperm cells.

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