premutation
The English word “premutation” has 2 meanings listed here.
adjective
- Of or relating to a premutation.
noun
- 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).
Etymology
From pre- + mutation.
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.