Title: A Moss Life Cycle: Dominant Gametophyte - Video & Lesson Transcript | Study.com
Headings: A Moss Life Cycle: Dominant Gametophyte
A Moss Life Cycle: Dominant Gametophyte
Lesson Transcript
Introduction to Mosses
Review of Alternation of Generations
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A Moss Life Cycle: Dominant Gametophyte
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Content: However, when it moves into the haploid stage, the Garblinx looks completely different! Two of these haploid organisms will get together and mate in order to produce a new 2 N organism that looks similar to our first Garblinx. This Garblinx will then eventually produce a new haploid organism, and so on. Now that we have a good review of the basics of alternation of generations, let's look at how this process is completed in mosses. The Haploid Stage
Unlike more advanced plants, mosses have a dominant haploid life stage. That is, the moss that you see is the gametophyte and only contains one set - rather than the normal two sets - of chromosomes. The haploid stage starts with a spore. This can either be a male or female spore. The male spore will develop into a mature gametophyte that contains structures to make male gametes. These antheridia are structures in male gametophytes that produce and release sperm.