The following diagram shows a very simplified life cycle of certain land plants.

Question

The following diagram shows a very simplified life cycle of certain land plants. Each circle, numbered 1 through 4, represents a single cell that appears at some stage of the cycle. Using your knowledge of the alternations of generations life cycle, which of the following choices best represents the correct separation of the haploid and diploid stages of the plant life cycle? The straight line is used to divide the cycle between haploid and diploid halves 4 4 4 Sporophyte Gametophyte Sporophyte Gametophyte Sporophyte Gametophyte Choice a Choice tb Choice c

Explanation / Answer

Answer:

Choice C

Explanation:

Sporophytes produce spores (4) by meiosis. So that # 4 depicts spores that are haploid. Spores develop into gametophytes (haploid). These gametophytes produce gametes (1&2) by mitosis and they are hapoloid. The gametes fuse to produce diploid zygote (3), which undergo mitosis to produce sporophytes

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