| 单词 | acquired character |
| 释义 | > as lemmasacquired character 3. Biology. Of a characteristic of an individual organism or cell type: developed during its lifetime through the influence of the environment; not inherited; esp. in acquired character, acquired characteristic. Cf. Lamarckian adj. ΘΚΠ the world > life > biology > biological processes > evolution > [noun] > morphogenesis > derivation or appearance of characters acquired1794 neomorph1886 paedomorphism1892 neotenia1896 habitat form1902 caenogenesis1909 fetalization1922 paedomorphosis1922 hominization1953 synapomorphy1966 synapomorph1969 1794 E. Darwin Zoonomia I. §xxxix. 503 Many of these acquired forms or properties are transmitted to their posterity. 1876 E. R. Lankester tr. E. Haeckel Hist. Creation I. ix. 204 We may first divide all the different phenomena of inheritance into two groups, which we may distinguish as the transmission of inherited characters, and the transmission of acquired characters. 1893 W. N. Parker & H. Rönnfeldt tr. A. Weismann Germ-plasm iv. xiii. 392 By acquired characters I mean those which are not preformed in the germ, but which arise only through special influences affecting the body or individual parts of it. 1926 J. S. Huxley Ess. Pop. Sci. ii. 22 So-called ‘acquired characters’, in other words modifications caused by the environment..are not inherited at all, or else to such a slight degree as not to be of any great importance in heredity and evolution. 1958 Times 1 July 11/7 Since acquired characters are not inherited, the supply of heritable variation is indeterminate and blind. 2007 M. M. Chan & D. Fong in L. S. Torres Cancer Drug Resistance Res. Perspectives xiii. 181 It has been hypothesized that drug sensitivity is an acquired characteristic of cancer cells. < as lemmas |
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