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  4. Double fertilization and triple fusion were discovered by

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Q. Double fertilization and triple fusion were discovered by

AIPMTAIPMT 1988Sexual Reproduction in Flowering Plants

Solution:

Double fertilization and triple fusion were discovered by Nawaschin and Guignard in Fritillaria and Lilium. In angiosperms one male gamete fuses with the two polar nuclei to form triploid primary endosperm nucleus. The process is called triple fusion. These two acts together are known as double fertilization.