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What role do "pollen grains" play in the fertilization process?
What role do "pollen grains" play in the fertilization process?
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Pollen grains contain male gametes (sperm cells) and are crucial for fertilization. When pollen is transferred from the anther to the stigma of a flower (or between flowers), it germinates and forms a pollen tube that allows sperm cells to travel down to the ovules for fertilization.