WebJan 18, 2024 · Macrocystis pyrifera (giant kelp), a haplodiplontic brown macroalga that alternates between a macroscopic diploid (sporophyte) and a microscopic haploid (gametophyte) phase, provides an ideal system to investigate how ploidy background affects the evolutionary history of a gene. In M. pyrifera, the same genome is subjected to … WebCorrect option is (c) haplodiplontic, diplontic. Ectocarpus and Fucus respectively show haplodiplontic and diplontic life cycle. In Ectocarpus, sporic meiosis occurs and haploid biflagellate meiozoospores are formed. They germinate to produce gametophytic thalli. The gametophytes liberate gametes which fuse to form diploid zygote which gives ...
Ectocarpus: Occurrence, Features and Reproduction - Biology …
WebThe three types of the biological life cycle are haplontic, diplontic and haplodiplontic life cycle. The brown algae Fucus shows a diplontic life cycle. The haplontic life cycle is seen in most green algae. Some algae such as Ulva, Polysiphonia, Ectocarpus, Kelps have a … WebHaplodiplontic: There are two multicellular stages, one haploid and one diploid; Contributors and Attributions; A life cycle describes the events from the start of life to the reproduction of new life. For humans, we each begin as a zygote and grow by mitosis to become a multicellular. At some point, reproductive cells in our bodies undergo ... christopher foxworth flowers in the attic
NCERT Exemplar Solution for Class 11 Biology Chapter 3 - BYJU
WebEctocarpus’s life cycle is haplodiplontic. Mitosis occurs in haploid cells and meiosis occurs in diploid cells to generate the plant body. a) True . b) False. The answer is option b. Answer: b Explanation: Mitosis occurs in both haploid and diploid cells to create plant bodies. As a result, either haploid or diploid plant bodies are formed. WebHaplodiplontic type of life-cycle shown by kelps, Ectocarpus and Polysiphonia. WebEctocarpus, a brown alga, exhibits a haplo-diplontic life cycle. In the haplo-diplontic life cycle, the diploid sporophytic body alternates with haploid gametophyte. Both the phases … getting onion smell off hands