A measure of the extent to which something is mutagenic(noun)
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Use "mutagenicity" in a sentence
"The main divergence from the procedure used in the latter is the substitution of short-term mutagenicity studies for lifespan studies as indicators of potential carcinogenicity."
"The biomarkers that increased were micronuclei in blood lymphocytes, which have been associated with cancer risk in healthy subjects, and urine mutagenicity, which is a biomarker of exposure to genotoxic agents."
"The Ames test proved that mutagenicity was linked to carcinogenicity, but mutations in which genes, and by what mechanism?"