Which of the following represents the male gametophyte of a conifer?

Question

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The male gametophyte of a conifer is the pollen grain, which contains the sperm cells that fertilize the ovules of the female cone. The pollen grain is the structure that is dispersed by the wind or other means to reach the female cone. The pollen cone (choice C) is the structure that produces and releases the pollen grains, but it is not the male gametophyte itself. The tree (choice D) is the diploid sporophyte generation of the conifer, and is not directly involved in the production of gametes.

Which of the Following Represents the Male Gametophyte of a Conifer