Which plant group is known for having a life cycle that alternates between haplo

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Question: Which plant group is known for having a life cycle that alternates between haploid and diploid generations? (2023)

Options:

Correct Answer: All of the above

Exam Year: 2023

Solution:

All of these plant groups exhibit alternation of generations, where both haploid (gametophyte) and diploid (sporophyte) stages are present.

Which plant group is known for having a life cycle that alternates between haploid and diploid generations? (2023)

Which plant group is known for having a life cycle that alternates between haploid and diploid generations? (2023)

Step 1: Understand what haploid and diploid mean. Haploid means having one set of chromosomes (n), while diploid means having two sets (2n).
Step 2: Learn about the life cycle of plants. Plants go through two main stages: the gametophyte stage (haploid) and the sporophyte stage (diploid).
Step 3: Recognize that the alternation of generations is a process where plants switch between these two stages during their life cycle.
Step 4: Identify the main plant groups that exhibit this alternation of generations, which include mosses, ferns, and flowering plants.
Step 5: Conclude that all these plant groups have both haploid and diploid stages in their life cycles.

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