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Definition of Alternation of generations
1. Noun. The alternation of two or more different forms in the life cycle of a plant or animal.
Generic synonyms: Organic Phenomenon
Specialized synonyms: Digenesis, Metagenesis
Medical Definition of Alternation of generations
1. The occurrence in one life history of two or more different forms differently produced, usually an alternation of a sexual with an asexual form. (09 Oct 1997)
Lexicographical Neighbors of Alternation Of Generations
Literary usage of Alternation of generations
Below you will find example usage of this term as found in modern and/or classical literature:
1. Report of the Annual Meeting (1899)
"The true alternation of generations of the ... The first clear carrying out of
the idea of a regular alternation of generations in the ..."
2. Proceedings of the Cambridge Philosophical Society by Cambridge Philosophical Society (1889)
"(2) On Alternation of Generations in Green Plants. By J. REYNOLDS VAIZEY, BA The
objects of this paper are to discuss the origin of Alternation of ..."
3. The Encyclopedia Americana: A Library of Universal Knowledge (1918)
"later stage showing spores, s, developed from the Ver mother cells, Alternation
of generations is just as dea- nitely present in plants above and below tbi ..."
4. The Structure and Development of Mosses and Ferns (Archegoniatae) by Douglas Houghton Campbell (1905)
"CHAPTER XV THE NATURE OF THE alternation of generations THE origin and significance
of ... Among the Chlorophyceae, the alternation of generations is not ..."
5. Dictionary of Philosophy and Psychology: Including Many of the Principal by James Mark Baldwin (1901)
"(LM) Alternation of Generations [Ger. ... amongst Protozoa and Annelids, alternation
of generations produced sexually and by fission ; amongst Coe- ..."
6. International Catalogue of Scientific Literature by Royal Society (Great Britain) (1907)
"... Ontogeny Metamorphosis ; Alternation of Generations ; Cycles of Generations ;
Changes during Life. For Cell-structure, and Processes, refer to L, ..."
7. The Evolution of Sex in Plants by John Merle Coulter (1914)
"alternation of generations consists in the separation of ... Alternation of
generations, therefore, is the alternation of a sexual individual with a sexless ..."
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