noun, plural: mutants
(1) An organism, gene, or chromosome that is different from the wild type by one or more (new) characteristics as caused by mutation(s).
(2) An organism or gene that is undergoing or resulting from mutation.
(3) An organism with a new or different characteristic from the due to a mutation in its gene or chromosome.
(1) Resulting from or tending to undergo or result from mutation.
Word origin: Latin mūtāns, mūtant-, present participle of mūtāre, to change.
Compare: wild type
See also: mutation