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Difference between persistent synegrid and degenerated synegrid?And which embryo sac cell allow pollen tube entry and why?
Answers (1)
Degenerated synergid is that synergid which starts degenerating at the time of pollination and its secretions attract the pollen tube towards micropyle. Persistent synergid is the other synergid that persists and starts degenerating at the time of fertilisatio. Thus the difference between both is in their timing of degeneration during reproduction.The entry of pollen tube may occur through micropyle, chalaza or through the middle of integuments. It penetrates synergid cell first.
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