单词 | genotype |
释义 | genotypen.1 Biology. The type-species of a genus. Now disused. ΘΚΠ the world > life > biology > taxonomy > [noun] > archetype, syntype, etc. species1644 type1840 type-genus1840 type-species1840 archetype1849 type-specimen1875 monotype1881 necrotype1883 cotype1893 paratype1893 topotype1893 homotype1896 genotype1897 holotype1897 homoeotype1905 lectotype1905 neotype1905 syntype1909 allotype1910 haplotype1914 1897 C. Schuchert in Science 23 Apr. 639/2 Genotype applies to any typical material of the type species of a genus. 1903 Amer. Jrnl. Sci. 164 1 The original conception of the genus [sc. Romingeria] has become obscured... If the original description and figure of Billings be taken as a starting point, the subsequent vicissitudes of this genotype will be appreciated. 1923 Times Lit. Suppl. 15 Mar. 171/2 It is..necessary to fix on a single species as the standard of each genus, new or old; it is called the genotype. 1926 F. A. Bather in S. S. Buckman Type Ammonites VI. 6 In establishing a new genus an author should fix on one species as the genotype (or genoholotype). 1969 E. Mayr Princ. Systematic Zool. Gloss. 403 Genotype... Use of this term in nomenclature for the type-species of a genus is confusing and contrary to the terminology of the Code [sc. the International Code of Zoological Nomenclature]. Derivatives genoˈtypic designating the type species of a genus. ΚΠ 1917 Trans. Amer. Entomol. Soc. 43 305 (note) We are fortunate in having material of the genotypic species before us, of all of the genera here diagnosed, excepting Purex. 1968 Amer. Jrnl. Sci. 266 777 The Honduranean genera Blickotherium and Aybelodon are synonymized with Rhyncotherium, and their respective genotypic species are synonymized as R. blicki. 1970 Q. Rev. Biol. 45 63/1 Cope (1867) based the genotypic species of Cynorca on a single canine tooth that he suppposed was a novel kind of whale. 1997 Jrnl. Paleontol. 71 484/1 At present, eight species of Catopsalis are considered valid: C. foliatus Cope,..the genotypic species. This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022). genotypen.2 Biology. Originally: a pure (inbred or true-breeding) line of an organism (disused). In later use: the genetic constitution of an organism, esp. as distinguished from its phenotype; all of the genes present in an organism or species; the specific alleles present at a given locus. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic constitution > [noun] > genotype genotype1909 1909 Science 10 Dec. 852/2 The complex variation-groups are called by the author [sc. Johanssen] phænotypes, or false types, the elementary variation groups genotypes, or genetic types. 1924 L. F. Barker tr. H. W. Siemens Race Hygiene & Heredity v. 57 This ‘constitutional formula’, the sum of the inheritance rudiments that make up the peculiar innermost nature of the individual we name his inheritance pattern (idiotype or genotype). 1946 A. Nelson Princ. Agric. Bot. xxvi. 513 In order to distinguish clearly between a homozygous and a heterozygous bearded, or, in other words, to distinguish between the two possible genotypes, the plants must be self-fertilized and bred-on. 1973 N. Freedman Joshua 12 He was the instrument by which this unique genotype would survive. 1985 A. S. Byatt Still Life xx. 237 As the immortal life of the genotype is transmitted, some say, so the phenotype, the individual body. 2005 New Yorker 12 Dec. 88/3 Mayeux's thick books of pedigrees and his database of DNA allow researchers to define a person's genotype (what genes she carries) as well as a phenotype (what traits she embodies). This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). genotypev. Biology. transitive. To establish the genotype (genotype n.2) of. ΚΠ 1946 Lancet 21 Sept. 419/1 The baby's blood was now genotyped and found to be Rh-negative. 1971 Nature 2 Apr. 279/2 Some monkey families could be genotyped and the antigens were found to segregate in a pattern consistent with a single complex system. 1990 K. Filkins & J. F. Russo Human Prenatal Diagnosis (ed. 2) v. 211 Fetal DNA derived from chorionic villus biopsies and amniocytes is genotyped using HLA class I and II cDNA probes. 2000 Jrnl. Parasitol. 86 172/1 We were able to genotype 4 of 7 (human and animal) isolates [of Giardia duodenalis]. Derivatives ˈgenotyping n. ΚΠ 1950 Lancet 3 June 1053 More or less permanent members of the hospital staff must be sent to the regional transfusion centre for grouping and Rh genotyping. 2002 J. A. M. van Arendonk et al. in K. Schellander et al. Genomics & Biotechnol. in Livestock Breeding 24 At present, the high costs for marker genotyping prohibit the routine genotyping of large numbers of animals. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < |
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