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Multiple Choice
In the bryophyte life cycle, which generation is dominant?
A
Zygote
B
Gametophyte
C
Sporophyte
D
Embryo
Verified step by step guidance
1
Understand the life cycle of bryophytes, which includes two main stages: the gametophyte and the sporophyte.
Recognize that in bryophytes, the gametophyte generation is the dominant phase. This means it is the most visible and long-lived part of the life cycle.
The gametophyte is haploid, meaning it has a single set of chromosomes, and it produces gametes (sperm and eggs) through mitosis.
The sporophyte generation, which is diploid, develops from the zygote and is typically dependent on the gametophyte for nutrition.
Conclude that the gametophyte is the dominant generation in bryophytes, as it is the main photosynthetic and free-living stage of the life cycle.