Question

What types of structures are formed at the end of micro and megasporogenesis?

Answer 1

Flowering plants, also known as angiosperms, reproduce sexually. Plant reproduction is primarily centered on the flower, which contains both male and female gametes. Although some parts of a flower are sterile, they all help in the reproduction process.

Complete answer:
In biology, sporogenesis is the process of producing spores. The term is also used to describe the process of spore reproduction. During the normal reproductive life cycle of eukaryotic organisms like plants, algae, and fungi, reproductive spores have been discovered. Certain fungi and algae, for example, produce dormant spores in response to unfavorable growing conditions.
Cell division, most commonly meiosis, is the source of reproductive spores (e.g. in plant sporophytes). Sport meiosis is required for the sexual life cycle of organisms that use it to be completed.
Each microspore mother cell's nucleus goes through meiosis, or reduction division, and produces four haploid nuclei. Microsporogenesis is the name given to this process. The four nuclei are arranged in a tetrahedral pattern and are soon encased by cell walls. Microspores of pollen grains are the new names for these. Mitosis divides these microspores once more, resulting in two-celled microspores.
Megasporogenesis is the process of producing megaspores from a megasporocyte, which is a cell that goes through meiosis. The megasporocyte nucleus undergoes meiosis, resulting in the formation of four haploid megaspore nuclei. Meiosis is followed by cytokinesis in most taxa, resulting in four megaspore cells.
Megasporogenesis produces four haploid micropores, while microsporogenesis produces four haploid megaspores. The former is a tetrahedral tetrad, while the latter is a linear tetrad, with three degenerates and only one remaining functional.

Note:
Microspores are produced in gymnosperms, such as conifers, by meiosis from microsporocytes in microstrobili or male cones. Microspores are produced in the anthers of flowers in flowering plants. The microsporocytes are contained in four pollen sacs on each anther. Each microspore undergoes mitotic cell division after meiosis, resulting in multicellular pollen grains (six nuclei in total).