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Alternation of generations
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Generation alternation
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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
Alternation of generation — Alternation Al ter*na tion, n. [L. alternatio: cf. F. alternation.] 1. The reciprocal succession of things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence; as, the alternation… … The Collaborative International Dictionary of English
Alternation — Al ter*na tion, n. [L. alternatio: cf. F. alternation.] 1. The reciprocal succession of things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence; as, the alternation of day and… … The Collaborative International Dictionary of English
Generation — Gen er*a tion, n. [OE. generacioun, F. g[ e]n[ e]ration, fr.L. generatio.] 1. The act of generating or begetting; procreation, as of animals. [1913 Webster] 2. Origination by some process, mathematical, chemical, or vital; production; formation;… … The Collaborative International Dictionary of English
alternation of generations — al·ter·na·tion of generations .ȯl tər nā shənalso .al n the occurrence of two or more forms differently produced in the life cycle of a plant or animal usu. involving the regular alternation of a sexual with an asexual generation but not… … Medical dictionary
Generation of '98 — The Generation of 98 (also called Generation of 1898 or, in Spanish, Generación del 98 or Generación de 1898) was a group of novelists, poets, essayists, and philosophers active in Spain at the time of the Spanish American War (1898). The name… … Wikipedia
alternation of generations — Date: 1858 the occurrence of two or more forms differently produced in the life cycle of a plant or animal usually involving the regular alternation of a sexual with an asexual generation … New Collegiate Dictionary
Alternate generation — Generation Gen er*a tion, n. [OE. generacioun, F. g[ e]n[ e]ration, fr.L. generatio.] 1. The act of generating or begetting; procreation, as of animals. [1913 Webster] 2. Origination by some process, mathematical, chemical, or vital; production;… … The Collaborative International Dictionary of English
Spontaneous generation — Generation Gen er*a tion, n. [OE. generacioun, F. g[ e]n[ e]ration, fr.L. generatio.] 1. The act of generating or begetting; procreation, as of animals. [1913 Webster] 2. Origination by some process, mathematical, chemical, or vital; production;… … The Collaborative International Dictionary of English
antithetic generation — Alternation of generations in which the alternates are very different in appearance and origin … Dictionary of invertebrate zoology
