mutation
noun
- a changing or being changed
- a change, as in form, nature, qualities, etc.
- Biol.
- a sudden variation in some inheritable characteristic in a germ cell of an individual animal or plant, as distinguished from a variation resulting from generations of gradual change
- an individual resulting from such variation; mutant
- an abrupt and relatively permanent change in somatic cells that is transmitted only to daughter cells and can be inherited only in plants that reproduce asexually
- Linguis.
- umlaut (sense )
- alternation of consonants under specific conditions, as in variations in the initial consonant of a word in Irish and other Celtic languages
See mutation in American Heritage Dictionary 4
(myo͞o-tāˈshən)
noun- The act or process of being altered or changed.
- An alteration or change, as in nature, form, or quality.
- Genetics
a. A change of the DNA sequence within a gene or chromosome of an organism resulting in the creation of a new character or trait not found in the parental type.
b. The process by which such a change occurs in a chromosome, either through an alteration in the nucleotide sequence of the DNA coding for a gene or through a change in the physical arrangement of a chromosome.
c. A mutant.
- Linguistics The change that is caused in a sound by its assimilation to another sound, such as umlaut.
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