unmutated
Adjective
Meaning
unmutated (not comparable)
Not mutated.
Synonyms
Examples
Cells with heterozygous mutations (one good copy of gene and one mutated copy) may function normally with the unmutated copy until the good copy has been spontaneously somatically mutated.
Umlaut is conspicuous when it occurs in one of such a pair of forms, but there are many mutated words without an unmutated parallel form.