Question

please EXPLAIN DOUBLE FERTILIZATION??​

Answer 1

Answer:

During fertilisation process, one male gamete fuses with female gamete to form diploid zygote and the other male gamete fuses with two polar nuclei to form primary endorsperm which is triploid . In this way fertilisation takes place two times, hence it is called double fertilisation.

Answer 2

In a pollen grain two male gametes are present.

one fertilises the female gamete (ova) and other fertilises the polar nuclei (secondary nuclei).

since the fertilisation occurs two times it is known as double fertilisation

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