Question

Plant fertilisation in female gametes​

Answer 1

Explanation:

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In a process called fertilisation, the two gametes join and their chromosomes combine, so that the fertilised cell contains a normal complement of chromosomes, with some from each parent flower. The fertilised ovule goes on to form a seed, which contains a food store and an embryo that will later grow into a new plant.

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Answer 2

Two male gametes are liberated inside the embryo sac. One male gametes fuses with the egg to form zygote which grows into an embryo and finally  into a new plant. The other male gamete fuses  with secondary nucleus (two polar nuclei) to  form the endosperm which provides nourishment  to the growing embryo. The fusion male gamete  with the female gamete is called syn gamy.