Q. In flowering plants, double fertilization and triple fusion is a unique phenomenon. For a given plant, during the study of the endosperm, it was found that it has 24 chromosomes. What will the number of chromosomes in microspore mother cells?

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Solution:

The endosperm is triploid in nature in angiosperms, while microspore mother cells are diploid structures.
Since the number of chromosomes in the endosperm is 24 = 3n. Therefore n = 8.
Hence, the number of chromosomes in the microspore mother cell will be 2n = 2x8 =16.