单词 | mutation |
释义 | Word Frequency mutation(mjuːˈteɪʃən) noun 1. the act or process of mutating; change; alteration 2. a change or alteration 3. a change in the chromosomes or genes of a cell. When this change occurs in the gametes the structure and development of the resultant offspring may be affected See also inversion (sense 11)4. another word for mutant (sense 1) 5. a physical characteristic of an individual resulting from this type of chromosomal change 6. phonetics a. (in Germanic languages) another name for umlaut b. (in Celtic languages) a phonetic change in certain initial consonants caused by a preceding word Derived forms mutational (muˈtational) adjective mutationally (muˈtationally) adverb |
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