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प्रश्न
During the development of the embryo sac, which stage immediately precedes the formation of the polar nuclei by migration?
पर्याय
Free nuclear stage
4-nucleate stage
2-nucleate stage
8-nucleate stage
MCQ
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उत्तर
The polar nuclei are formed after the 8-nucleate stage is established. At this stage, with four nuclei positioned at each pole, one nucleus from each pole migrates towards the centre of the embryo sac. These two centrally positioned nuclei become the polar nuclei that will eventually fuse in the central cell.
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