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Question : What is the fate of pollen tube after reaching the embryo sac? |
| Answer» Solution :After REACHING the embryo SAC, a pore is formed in pollen tube WALL at its apex or just behind the apex. The content of the pollen tube (two male gametes , vegetative nucleus and cytoplasm) are discharged into the synergids into which pollen tube enters. The pollen tube does not grow beyond it, in the embryo sac. The tube nucelus DISORGANIZES. | |