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

Options

A. laser beam stimulates pollen germination and pollen tube growth
B. laser beam does not the region from which pollen tube
C. the contents of the killed generative cell permit germination and pollen growth
D. the vegetative cell has not been damaged

Answer

D

Explanation

NA