It could be true that all of the kids received the same genotypes and phenotypes leading to the same traits, however, because parents are two strangers coming together to then have children, their traits are most likely going to be different. Although parents can share the same traits with each other, it is likely that there are still differences. (I hope that helps!)
After pollination and fertilization following changes occur in a flower: (i) The petals, stamens, style and stigma of the flower fall off. (ii) Sepals dry up and hold the ovary. (iii) The ovules confined in the ovary develop into seeds.