Question

Trace the events that could take place in a flower from the time the pollen grains of the same species full on the stigma up to completion of fertilization???

Answer 1

Answer:

When the pollen grains comes to stigma by pollination or cross pollination it sticks to it and secrets a chemical.This chemical produces a pollen tube which contains a male gamete .this gamete enters to ovary and it selects one ovule out of six.then fertilization starts and a zygote is formed.