Alternation of generations (also known as metagenesis or heterogenesis) is the predominant type of life cycle in plants and algae. It consists of a multicellular haploid sexual phase, the gametophyte, which has a single set of chromosomes alternating with a multicellular diploid asexual phase, the sporophyte which has two sets of chromosomes. WebAlternation of Generations. All plants undergo a life cycle that takes them through both haploid and diploid generations. The multicellular diploid plant structure is called the sporophyte, which produces spores through …

Alternation of Generations Definition, Examples, Diagrams - Toppr

WebTypes of sexual life cycles. Sexual life cycles involve an alternation between meiosis and fertilization. Meiosis is where a diploid cell gives rise to haploid cells, and fertilization is where two haploid cells (gametes) fuse … WebJan 25, 2024 · Sporophytic generation reproduces asexually by meiospores and is diploid . These two generations follow each other in alternate sequence. This phenomenon is termed alternation of generations. Moss plant is haploid. It represents gametophytic generation as it reproduces sexually by gametes. The antheridia and archegonia are … lamisil kaina

Alternation of Generations: The Gametophyte and …

WebAlternation of generations is a type of life cycle that switches between two forms, the asexual polyp and the sexual medusa. Each reproduction, one form will give rise to the other. For example, a polyp will go through asexual reproduction to produce medusae and vice versa with sexual reproduction among medusae. In the phylum Cnidaria, class ... http://winvertebrates.uwsp.edu/armstrong_361_2012.html lamis elmy abdelaaty