Question

Second haploid male gamete fuses with diploid secondary nucleus producing ___________​

Answer 1

The answer is primary endosperm nucleus.

Answer 2

Answer:

The second male gamete fuses with 2 polar nuclei or secondary nucleus to form triploid primary endosperm nucleus and this is called triple fusion. This primary endosperm nucleus (3n) ultimately develops into a nutritive tissue for developing embryo called endosperm.

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