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प्रश्न
During oogenesis the meiotic division is arrested at ______ before fertilization.
विकल्प
Anaphase I
Metaphase I
Anaphase II
Metaphase II
MCQ
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उत्तर
During oogenesis the meiotic division is arrested at Metaphase II before fertilization.
Explanation:
The second arrest point is located here. The primary oocyte becomes a secondary oocyte and starts Meiosis II right away after completing Meiosis I. Just prior to ovulation, it is stopped at Metaphase II and stays there until fertilisation. Only when a sperm enters the oocyte can meiosis II be finished.
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