haplontic

haplontic
Describing an organism that is haploid for most of its life cycle but that briefly has a diploid zygote

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  • haplontic — adjective see haplont …   New Collegiate Dictionary

  • haplontic — hap·lon·tic …   English syllables

  • haplontic — adjective see haplont …   Useful english dictionary

  • Biological life cycle — A life cycle is a period involving 1 generation of an organism through means of reproduction, whether through asexual reproduction or sexual reproduction. In regard to its ploidy, there are 3 types of cycles: * haplontic life cycle * diplontic… …   Wikipedia

  • haplont — noun Etymology: International Scientific Vocabulary Date: 1920 an organism (as some primitive algae) having a diploid zygote that undergoes meiosis to produce haploid cells • haplontic adjective …   New Collegiate Dictionary

  • 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

  • Pfiesteria piscicida — Taxobox | color = khaki name = Pfiesteria piscicida image size = image caption = regnum = Protista phylum = Dinoflagellata classis = Dinophyceae ordo = Phytodiniales familia = Pfiesteriaceae genus = Pfiesteria species = P. piscicida binomial =… …   Wikipedia

  • Evolutionary history of plants — Plants have evolved through increasing levels of complexity, from the earliest algal mats, through bryophytes, lycopods, ferns and gymnosperms to the complex angiosperms of today. While the simple plants continue to thrive, especially in the… …   Wikipedia

  • life cycle — 1. Biol. the continuous sequence of changes undergone by an organism from one primary form, as a gamete, to the development of the same form again. 2. a series of stages, as childhood and middle age, that characterize the course of existence of… …   Universalium

  • plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …   Universalium

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