Write the role of synergids, polar nuclei and antipodal cells.
Answer»
Synergids play some role in guiding entry of pollen tube into embryo sac in close vicinity of an egg cell.
The two polar nuclei fuse to form a secondary nucleus or definitive nucleus which after an act of double fertilization forms triploid nutritive tissue called endosperm.
The antipodal cells play some role in regulating the act of fertilization and double fertilization, but how, is not yet clearly understood.