- diploid sporophyte
- 二倍体孢子体
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
sporophyte — [spō′rəfīt΄, spôr′əfīt΄] n. [ SPORO + PHYTE] in certain plants and algae, the spore bearing generation that is diploid and reproduces by spores: the sporophyte generation begins with the fertilized egg and ends with meiosis: distinguished from… … English World dictionary
sporophyte — sporophytic /spawr euh fit ik, spohr /, adj. /spawr euh fuyt , spohr /, n. Bot. the form of a plant in the alternation of generations that produces asexual spores. Cf. gametophyte. [1885 90; SPORO + PHYTE] * * * In many plants and algae, the… … Universalium
Sporophyte — ).The sporophyte produces spores (hence the name), by meiosis. These meiospores develop into a gametophyte. Both the spores and the resulting gametophyte are haploid, meaning they only have one set of homologous chromosomes. The mature… … Wikipedia
sporophyte — noun The plant (or the diploid phase in its life cycle) which produces spores by meiosis in order to produce gametophytes. (b) sporophyte with foot reduced, the entire sporophyte enveloped by the calyptra, which is ± stipitate at the base. See… … Wiktionary
sporophyte — noun Etymology: International Scientific Vocabulary Date: 1886 the diploid individual or generation of a plant exhibiting alternation of generations that produces asexual spores compare gametophyte • sporophytic adjective … New Collegiate Dictionary
sporophyte — spo·ro·phyte .fīt n an individual or generation of a plant exhibiting alternation of generations that bears asexual spores, is usu. not clearly differentiated in algae and fungi, and in vascular plants is the conspicuous form ordinarily seen… … Medical dictionary
sporophyte — [ spɒrəfʌɪt, spɔ: ] noun Botany (in the life cycle of plants with alternating generations, e.g. ferns) the asexual phase (typically diploid), which produces spores from which the gametophyte arises. Derivatives sporophytic adjective … English new terms dictionary
sporophyte — The diploid generation in the life cycle of a plant, and that produces haploid spores by meiosis … Glossary of Biotechnology
Alternation of generations — (also known as alternation of phases or metagenesis) is a term primarily used in describing the life cycle of plants (taken here to mean the Archaeplastida). A multicellular sporophyte, which is diploid with 2N paired chromosomes (i.e. N pairs),… … Wikipedia
Fern — This article is about the group of pteridophyte plants. For other uses, see Fern (disambiguation). Ferns (Pteridophyta) Temporal range: Mid Devonian[1] Recent … Wikipedia
algae — algal, adj. /al jee/, n.pl., sing. alga / geuh/. any of numerous groups of chlorophyll containing, mainly aquatic eukaryotic organisms ranging from microscopic single celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished… … Universalium