In the alternation of generations in mosses, the dominant independent generation is the gametophyte. This stage is typically green, photosynthetic, and free-living, allowing it to grow and thrive independently. The sporophyte, which develops from the fertilized egg, is generally smaller, dependent on the gametophyte for nutrition, and remains attached to it. This life cycle emphasizes the significance of the gametophyte in moss reproduction and survival.
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