From the Mirriam-Webster online dictionary
mu·tat·ed mu·tat·ing
Definition of MUTATE
intransitive verb
: to undergo mutation
transitive verb
: to cause to undergo mutation
mu·ta·tive \ˈmyü-ˌtā-tiv, -tə-tiv\
adjective
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See mutate defined for English-language learners »
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Examples of MUTATE
- a disease that mutates genes in humans
- a group of mutated genes
- Over time, her feelings mutated from hatred into love.
- opera singers mutating into pop stars
Origin of MUTATE
Latin
mutatus, past participle of
mutareFirst Known Use: 1818
Related to MUTATE
Synonyms: fluctuate,
change,
shift,
snap,
vary
Antonyms: plateau,
stabilize
mu·tant
adj \ˈmyü-tənt\
Definition of MUTANT
: of, relating to, or produced by mutation
mutant noun
Origin of MUTANT
Latin
mutant-, mutans, present participle of
mutareFirst Known Use: 1903
So the words mutate and mutant come from the Latin root "
mutans," which means "change." Any change --
any change at all good, bad, or indifferent -- in the genetic code (other than halving the chromosomes during meiosis, and he recombining of them during fertilization -- which is not only unavoidable in sexual reproduction, but the very definition of it) is a mutation, not just the ones with a deleterious effect. Even a genetic change that has absolutely no effect is a mutation. There are far, far more of these than there are mutations that have visible effects, good, bad, and neutral, combined, mainly because the sections of a chromosome that contain a lot of "junk genes" (genes that appear not to code for anything) are also the weakest, and the most susceptible to the kinds of things that knock out, insert, or re-arrange short sequences of nucleotides, often dangling off the end of the end of the chromosome.