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A life cycle shows the series of changes an organism undergoes within its lifetime, particularly the changes in its haploid and diploid stages. Which of the following describes the life cycle of plants?a.It is diplontic.b.It is haplontic.c.It is diplohaplontic.d.It differs from one plant to another.

Question

A life cycle shows the series of changes an organism undergoes within its lifetime, particularly the changes in its haploid and diploid stages. Which of the following describes the life cycle of plants?a.It is diplontic.b.It is haplontic.c.It is diplohaplontic.d.It differs from one plant to another.

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Solution

The life cycle of plants is described as diplohaplontic. This means that it includes both diploid (2n) and haploid (n) stages. The diploid stage is known as the sporophyte, which produces spores through meiosis. These spores then grow into the haploid stage, known as the gametophyte, which produces gametes through mitosis. The fusion of these gametes results in a diploid zygote, which grows into a new sporophyte, completing the cycle. So, the correct answer is c. It is diplohaplontic.

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