| 单词 | exon |
| 释义 | exon exon1 /ek"son/, n. (in Britain) one of four yeomen of the guard who act as commanding officers in the absence of higher authority. Also called exempt. [1645-55; earlier exant, for F exempt (sp. altered to show F pronunciation)] exon2 /ek"son/, n. Genetics. any portion of an interrupted gene that is represented in the RNA product and is translated into protein. Cf. intron. [1975-80; ex(pressed sequence) + -ON1] |
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