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单词 genospecies
释义

genospeciesn.

Brit. /ˈdʒɛnə(ʊ)ˌspiːʃɪz/, /ˈdʒiːnə(ʊ)ˌspiːʃɪz/, U.S. /ˈdʒɛnoʊˌspiʃiz/, /ˈdʒinoʊˌspiʃiz/; see also species n.
Origin: Formed within English, by compounding. Etymons: geno- comb. form, species n.
Etymology: < geno- comb. form + species n. Compare quot. 1922, which refers to earlier use of German Geno-spezies (1918 or earlier, in different sense).
Biology.
A species defined by the genotypic similarity of its members; spec. a subgroup of a species of microorganism defined by DNA relatedness.
ΚΠ
1922 G. Turesson in Hereditas 3 101 The term genospecies is here meant to embody the known facts about the genotypical construction of the Linnaean species; it has nothing to do with the genospecies of Raunkiaer (1918), who employs the term in the sense of Lotsyan species, i.e. homozygotic biotypes.
1963 Amer. Naturalist 97 309 One tries to conceive probable phylogenetic pathways linking the genospecies on the basis of likely ways in which morphological and physiological changes could have taken place.
1971 Jrnl. Parasitol. 57 912 Significant differences in DNA base composition were found in strains of amoebae thought to be of the same species. These data clearly indicate the existence of more than one genospecies.
1987 Internat. Jrnl. Systematic Bacteriol. 37 463/2 It is recommended that a distinct genospecies that cannot be differentiated from another genospecies on the basis of any known phenotypic property not be named until they can be differentiated by some phenotypic property.
2000 A. Karlen Biogr. of Germ (2001) viii. 58 Some experts say that B[orrelia] burgdorferi should be broken down into four or more distinct ‘genospecies’.
This is a new entry (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1922
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