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(D) mature pollen grain consists of two cells: the larger vegetative cell and the smaller generative cell.The vegetative cell is responsible for the g

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The vegetative cell has not been damaged

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(D) mature pollen grain consists of two cells: the larger vegetative cell and the smaller generative cell.The vegetative cell is responsible for the growth of the pollen tube,as it contains the necessary nutrients and cytoplasmic machinery for tube elongation.The generative cell is responsible for producing the two male gametes through mitosis.Since the vegetative cell remains intact after the laser treatment,it continues to function normally,allowing the pollen grain to germinate and form a pollen tube.

Even after killing the generative cell with a laser beam,the pollen grain of a flowering plant germinates and produces a normal pollen tube because:

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