What chromosome set is typical for vegetative, generative cells and sperm of pollen grains of cherries? Explain from what source cells and as a result of what division these cells are formed.
1) Microspores are formed as a result of meiosis from maternal spore cells (sporogenous tissue).
2) Vegetative and generative pollen grain cells are formed as a result of mitosis of microspores.
3) Sperm are formed as a result of mitosis of the generative cell
4) All named cells are haploid
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