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venetaegetative celaJ How fallen tube get formed |
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Answer» The vegetative cell is called tube well because it contains the tube nucleus. FORMATION OF POLLEN GRAINS:-Thepollen tubesprouts from the gametophyte at the stigma, extends down the style and reaches into the ovary. The now fully germinated gametophyte releases its two sperm cells down thepollen tube, where one fertilizes the egg and the other combines with other cells inside of the embryo in the ovule. |
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