Flower Dissection Structures divided up Petals Leaf (A) Stamen Male reproductive structure Composed of an anther and filament Through meiosis, the diploid cells of the anther produce pollen grains that are haploid (A) Stamen Pollen (B) Pistil Female reproductive structure Composed of stigma, style, and ovary As a result of meiosis, the eggs developing inside the ovary are haploid (B) Pistil Ovary longitudinal section Exposed Ovules What is wrong with this picture? So what happens after fertilization?