Which one of the following sets of structures | vedclass

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(D) In $Pinus$ (a gymnosperm),the gametophytic generation is haploid $(n)$.$1$. The endosperm in gymnosperms is formed before fertilization from the f

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Endosperm,sperm,megaspore

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(D) In $Pinus$ (a gymnosperm),the gametophytic generation is haploid $(n)$.$1$. The endosperm in gymnosperms is formed before fertilization from the female gametophyte,so it is haploid $(n)$.$2$. Sperm cells are male gametes,which are haploid $(n)$.$3$. The megaspore is the first cell of the female gametophyte,which is haploid $(n)$.Therefore,the set (Endosperm,sperm,megaspore) consists entirely of structures belonging to the gametophytic generation.

Which one of the following sets of structures in $Pinus$ belongs entirely to the gametophytic generation?

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