What develops into a microspore mother cell in a flower? Trace the development of this cell into a pollen grain which is ready for germination. Draw a labelled figure of a mature pollen grain.
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Microspore mother cell (microsporocyte) is a diploid cell in plants that divide by meiosis to give rise to four haploid microspores. In flowering plants, mother cells are formed within the pollen sacs of the anthers. By the process of mitosis, the microspores they produce develop into pollen grains. A pollen grain is a microscopic body that contains the male reproductive cell of a plant. There are three main components of a pollen grain. The inside of the grain is made up of cytoplasm, inside layer is called intine and the outer layer is called as exine.