单词 | genome |
释义 | genomen. Biology. Originally: a complete haploid set of chromosomes (of an organism, species, or gamete). Later also: the complete set of genes of an organism, species, organelle, etc.The Human Genome Project, an international endeavour to chart and study the DNA sequence of the human species, published its first complete draft in 2003. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > group of chromosomes tetrad1876 ring chromosome1895 genome1926 ring1949 1926 Q. Rev. Biol. 1 580/1 The subtraction or addition of whole genomes (complete single sets of chromosomes) as in haploid and polyploid individuals. 1930 Hereditas 13 293 As to the nature of the chromosome increase the case may be one of auto-polyploidy (doubling of the same genome) or allo-polyploidy (addition of different genomes). 1932 Proc. 6th Internat. Congr. Genetics II. 5 There are two species having genoms resembling C. neglecta. 1952 C. P. Blacker Eugenics: Galton & After x. 243 The appearance of such terms as gene-complex and genome (denoting a set of chromosomes as a working unity) testify to the movement towards holism in genetics. 1965 A. M. Srb et al. Gen. Genetics (ed. 2) vii. 190 Among organisms with chromosomes, each species has a characteristic set of genes, or genome. In diploids a genome is found in each normal gamete. It consists of a full set of the different kinds of chromosomes. 1989 N.Y. Times 10 Oct. c7/2 The agreement was announced here at the first international conference on the Human Genome Project, a $3 billion, 15-year program to find the 50,000 to 100,000 genes scattered on the 46 chromosomes in each human cell. 2004 N.Y. Rev. Bks. 23 Sept. 53/2 There are also over a dozen virus variants, called circulating recombinant forms, whose genomes have a structure that lies between those of known subtypes. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1926 |
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