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Question : Double fertilization (or triple fusion) leading to initiation of endosperm in angiosperms, requires:

Answer»

Fusion of 4 or more polar nuclei and the second MALE gamete only
Fusion of 2 pole nuclei and second mare gamete only
Fusion of one polar NUCLEUS and second male gamete only
All the above TYPES of fusion in different types of angiosperms

Answer :B


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