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Multiple Choice
Fungi typically display which type of life cycle?
A
Alternation of generations
B
Triploid-dominant
C
Haploid-dominant
D
Diploid-dominant
Verified step by step guidance
1
Understand the concept of life cycles in organisms. In biology, a life cycle refers to the series of stages an organism goes through from one generation to the next. Different organisms have different dominant phases in their life cycles.
Learn about the types of life cycles: Alternation of generations involves both haploid and diploid stages, triploid-dominant is less common and involves a triploid stage, haploid-dominant involves a predominant haploid stage, and diploid-dominant involves a predominant diploid stage.
Focus on the haploid-dominant life cycle. In this cycle, the organism spends most of its life in the haploid stage, where cells have a single set of chromosomes. This is typical for many fungi.
Consider examples of organisms with haploid-dominant life cycles. Fungi, such as molds and yeasts, often have a haploid-dominant life cycle, where the main body of the organism is haploid, and the diploid stage is brief, usually occurring during sexual reproduction.
Review the characteristics of fungi. Fungi reproduce through spores, which are typically haploid, and their main vegetative state is haploid, supporting the haploid-dominant life cycle.