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During meiosis, the chromosome number doubles because the cells replicate their DNA and split into two cells in meiosis I and in meiosis II, they replicate DNA and split once again, to form four cells.
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Related questions
During meiois the shuffing exchange of genetic material is called?
crossing over
What is the importance of meiosis in sexual reproduction of flowering plants?
Meiois is the process in which diploid cells divide to become haploid gametes (or sex cells)
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