Read the following statements.
Statement - I: Zygote is formed in all sexually reproducing organisms.
Statement - II: Any sexually reproducing organism starts its life cycle from a single-celled zygote.
In light of the given statements, choose the correct answer from the options given below.

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Statement I is correct, but statement II is incorrect.

Statement I is incorrect, but statement II is correct.

Both statements I and II are incorrect.

Both statements I and II are correct.

answer is A.

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Detailed Solution

Zygote formation occurs in all sexually reproducing organisms after fusion of gametes. Gametes are formed by meiosis.

Any sexually reproducing organism starts its life cycle from a single-celled zygote.

Growth of multicellular organisms takes place as the zygote divides by mitosis.

Meiosis helps to reduce the chromosomal number by half of its parent cell.

Fusion of gametes reestablishes diploidy. Thus, both mitosis and meiosis are essential for a sexually reproducing organism.

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