In the given figure,what do ''A'' and ''B'' r | vedclass

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(B) The provided figure represents the life cycle of a typical alga (like Fucus) showing diplontic life cycle.In this cycle,the main plant body is dip

Vedclass · Accepted Answer

$n, 2n$

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(B) The provided figure represents the life cycle of a typical alga (like Fucus) showing diplontic life cycle.In this cycle,the main plant body is diploid $(2n)$.$A$ represents the process of meiosis,which occurs in the diploid plant body to produce haploid $(n)$ gametes.$B$ represents the process of fertilization (syngamy),where two haploid $(n)$ gametes fuse to form a diploid $(2n)$ zygote,which then develops into the diploid plant body.Therefore,$A$ represents the haploid state $(n)$ resulting from meiosis,and $B$ represents the diploid state $(2n)$ resulting from fertilization.Thus,the correct option is $B$.

In the given figure,what do $''A''$ and $''B''$ represent respectively?

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