单词 | diplohaplont |
释义 | > as lemmasdiploˈhaplont diploˈhaplont n. Brit. , U.S. Biology an organism whose life-cycle embraces a diploid and a haploid phase.ΚΠ 1921 Bot. Abstr. VI. 251 (heading) Genetical phenomena and taxonomy in haplonts and diplohaplonts in the vegetable kingdom. 1938 Bot. Rev. 4 136 Diplohaplonts with unlike alternating generations are common among the Phaeophyceae. 1965 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) i. i. 36 In many of the more highly developed algae..the diploid zygote grows first into a multicellular diploid plant, the sporophyte. After the development of numerous diploid spore-mother cells meiosis takes place freely. Thus from the original nuclear fusion..a multitude of haploid cells (gonospores) are produced. These organisms are termed diplohaplonts. < as lemmas |
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