In Pinus (Gymnosperms),the haploid structures | vedclass

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(B) In $Pinus$ (Gymnosperms),the life cycle involves a dominant sporophyte $(2n)$.$1$. The $Megaspore$ $(n)$ is formed after meiosis in the megaspore

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Megaspore,pollen grain,and endosperm

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(B) In $Pinus$ (Gymnosperms),the life cycle involves a dominant sporophyte $(2n)$.$1$. The $Megaspore$ $(n)$ is formed after meiosis in the megaspore mother cell.$2$. The $Pollen$ $grain$ $(n)$ is the male gametophyte.$3$. The $Endosperm$ $(n)$ in gymnosperms is a pre-fertilization tissue formed directly from the female gametophyte.$4$. Embryo $(2n)$,seed coat $(2n)$,leaf $(2n)$,and root $(2n)$ are diploid structures.Therefore,the correct combination of haploid structures is $Megaspore$,$pollen$ $grain$,and $endosperm$.

In $Pinus$ (Gymnosperms),the haploid structures are .........

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