| 单词 | spacer region |
| 释义 | > as lemmasspacer region 4. Biology. A non-coding region of DNA occurring between the two coding regions, which may be transcribed but does not form part of the final transcript; esp. one occurring between two genes or cistrons. Also spacer region. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > nucleic acid > DNA > section of operator1961 satellite1962 junk DNA1963 spacer1963 transposon1974 antisense1977 retroposon1983 retrotransposon1985 retroelement1988 microsatellite1989 1963 Science 3 May 480/3 All proposed codes have required, explicitly or implicitly, some additional unknown source of information such as ‘commas’, ‘spacers’, ‘stepping by threes’, ‘forbidden combinations’, and so forth. 1979 Proc. National Acad. Sci. U.S.A. 76 4004/2 In the multiplicational multigene families..the spacer region is often more variable than the transcribed region. 2006 W. Sherwin & J. A. M. Graves in P. J. Armati et al. Marsupials ii. 44 It doesn't even have to be a coding region at all: any old piece of spacer, intron or pseudogene sequence can be located if a probe detects variation between different versions of the same DNA sequence in the two parent species. < as lemmas |
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