premutation (English, noun)
expansion: premutation (plural premutations)
Senses:
glosses: A nucleotide sequence variation that is not enough to be classed as a mutation (for example, does not affect protein expression enough to produce clinical symptoms) but nonetheless represents an unusual variant that is predisposed to still greater variation in future cell divisions (that is, predisposed to leading to a mutation).
Forms:
form: premutations
tags: plural