| 单词 |
cytotaxonomy |
| 释义 |
cytotaxonomy Biol.|ˌsaɪtəʊtækˈsɒnəmɪ|
[f. cytology + taxonomy.]
a. Taxonomic classification of organisms using evidence from cytological investigation, esp. studies of chromosomes.
b. The description of a particular organism or group of organisms, using this method. Hence ˌcytotaxoˈnomic a., ˌcytotaˈxonomist.
1930Biol. Abstr. IV. Index, Cytotaxonomy. 1937Amer. Jrnl. Bot. XXIV. 126/1 The cyto-taxonomy of section Telephium of Sedum is discussed in the present paper. 1942K. Fysiogr. Sällsk. Lund Forhändl. XII. 58 (title) Cytotaxonomic studies on boreal plants. 1954A Löve in Rapp. 8me Congr. Int. Bot. ix/x. 61 Cytotaxonomists..are able to deduce considerable understanding of the relationship of genera and even families from the study of chromosomes themselves. Ibid. 66 Cytotaxonomy is a very young branch of science, and its methods are still in a state of rapid development. 1964Davis & Heywood Princ. Angiosperm Taxon. vi. 193 Cytotaxonomy is the discipline which seeks to study variation and explain variational discontinuities and relationships in terms of cytology. 1971Watsonia VIII. 286 A cytotaxonomic study of the collective species Lamiastrum galeobdolon in England and Wales showed two subspecies with different ploidy levels. |
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