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प्रश्न
Chromosome number is halved in ______.
पर्याय
meiosis I
meiosis II
mitosis
amitosis
MCQ
रिकाम्या जागा भरा
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उत्तर
Chromosome number is halved in meiosis I.
Explanation:
During meiosis I, homologous chromosome pairs line up together and are pulled apart to opposite poles of the cell, effectively cutting the total chromosome number in half. This critical reductional division changes the cell from diploid to haploid. In contrast, meiosis II and mitosis are equational divisions that merely separate sister chromatids, leaving the overall chromosome number unchanged.
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