| 单词 | intron |
| 释义 | intron /in"tron/, n. Genetics. a noncoding segment in a length of DNA that interrupts a gene-coding sequence or nontranslated sequence, the corresponding segment being removed from the RNA copy before transcription. Also called intervening sequence. Cf. exon2. [1975-80; perh. INTR(O)- + -ON1] |
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