Sporophytic phase
WebVerified by Toppr. Haplontic cycle. Diplontic Cycle. 1) The zygote undergoes meiosis and gametophyte is a dominant phase. 1) Gametes undergo meiosis and diploid sporophyte is the dominant and independent phase. … Web7 Apr 2024 · Sporophytic generation is represented only by the one-celled zygote. There are no free-living sporophytes. Meiosis in the zygote results in the formation of haploid spores. The haploid spores divide mitotically and form the gametophyte. The dominant, photosynthetic phase in such plants is the free-living gametophyte.
Sporophytic phase
Did you know?
WebThe sporophyte eventually stops photosynthesis and the capsule turns brown late in sporophyte development, as does the seta if present. Here is a colony of a species in the genus Bryum in which all the spore capsules are still immature. Amongst the setae some are green and some are already brown. WebIn plants, alternation of generations exists, where the members have haploid and diploid phases. The plant’s haploid phase is called gametophyte and the diploid phase is called the sporophyte. Read on to explore more differences between the two. Explore more: What is Gametophyte? – Male Gametophyte, Female Gametophyte, Examples
Web5 Oct 2024 · Antithetic Theory (Theory of Sterilization): According to this theory, the gametophytic generation is regarded as the original generation, whereas the sporophytic … WebDevelopment of gametophyte from sporophyte without the formation of spores is known as apospory. Any vegetative cell of the sporophyte may form green protonemal filaments …
Weba) gametophytic phase b) sporophytic phase c) life span d) life cycle. Answer : C . Question: Which ot the following has the longest life span ? a) Butterfly b) Crocodile c) Parrot d) Tortoise. Answer : D . Question: In all the methods of asexual reproduction a) offsprings produced are genetically identical to the parents. WebThe sporophytic phase begins with the formation of a diploid zygote within the venter of the archegonium. In the simplest form of sporophyte (e.g., Riccia) the entire zygote is taking …
WebProthallus is primarily the reduced, photosynthetic, thalloid, free-living gametophytic stage in most of the pteridophytes. Here also water is essential for sexual reproduction leading to the formation of the sporophytic, dominant phase of pteridophytes, with well-differentiated body and vascular bundle. Hence, the correct answer is option c.
Web13 Jun 2024 · Here, the sporophytic phase is represented by a diploid zygote that undergoes meiosis to form haploid spores. The haploid spores then undergo mitosis to give rise to a new haploid gametophyte. In this cycle, the gametophytic phase is photosynthetic and dominant in nature. This life cycle is seen in some algae such as Volvox and Spirogyra. grand chapter royal arch masons of quebecWebThis sporophytic phase and the gametophytic phase occur in an alternate manner. Leaf through this story to get an insight about sporophyte facts and information. Sporophyte is a botanical term that represents the spore producing, photosynthetic plant form. It is one of the two major generations in a plant life cycle, the other being the ... grand chapter royal arch indianaWeb13 Jan 2024 · The gametophytic generation represents the haploid phase of the plant’s life cycle during which gametes are produced by mitotic division of haploid spores, whereas … grand chapter royal archWebThe sporophytes of all conifers are trees or shrubs. They have a life span that ranges from a few decades to more than 5,000 years. The ecological role and way of life of this sole … grand chapter royal arch coloradoWeb4 Jan 2024 · D) Dominant sporophytic phase. Answer: Pteris differs from funaria in having independent sporophyte. Explanation: Pteris is a fern and funaria comes under mosses. If we see the life cycle of a fern, there is sporophytic and gametophytic stage and sporophytic stage is independent of gametophytic phase. chinese bakery in quincy maWeb29 Oct 2024 · The sporophyte phase begins when fertilization occurs between an egg and sperm uniting. Most mosses, as well as liverworts contain separate individual … chinese bakery in jacksonville floridaWeb24 May 2024 · During evolution of land plants, the haploid gametophytic stage has been strongly reduced in size and the diploid sporophytic phase has become the dominant … grand chapter royal arch michigan