Question

what are the post fertilization changes seen in a flower

Answer 1

flower is a modified shoot.

it has two whorl

1)essential whorl

2)non essential whorl

Answer 2

the post fertilization change in a flower as the fusion of male and the female gamete to develop into a diploid zygote. after fertilization a series of events occurs into zygote to develop into a seed.
let us take a overview of the process of Post fertilization, endocrine and embryo formation