Title: Life Cycle of a Plant and Alteration of Generations: Examples and Videos
Headings: Plant Life Cycles and Alternation of Generations
Plant Life Cycles and Alternation of Generations
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Alternation of Generations
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Life Cycle of a Plant
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Content: The gametophyte is the dominant phase. The diplontic life cycle is commonly seen in gymnosperms and angiosperms with some variations. However, an Alga called Fucus also shows this kind of life cycle. In a diplontic life cycle, the diploid sporophyte is dominant, photosynthetic and is the independent phase of the plant. The gametophyte stage is characterized by a single to a few-celled haploid gametophyte. Bryophytes and Pteridophytes show an intermediate condition called the haplo-diplontic life cycle, where phases are multicellular. But the dominant phase differs. In Bryophytes, the dominant phase is the gametophyte and in Pteridophytes, it is the sporophyte. Solved Questions For You
Q. What generation does the flowering plants in your garden represent- Sporophyte or gametophyte? Ans.