 Mutation by National Human Genome Research Institute

Institutional glossary definition issued and hosted by National Human Genome Research Institute. Narration credits are distinct from authorship of the glossary definition.

Online text: www.genome.gov/genetics-glossary/Mutation

Displayed online update: 14 October 2026. No original publication date or earlier revision history is established.

Cited passages: Definition, sequence change and germline versus somatic transmission; Narration, descendants of affected somatic cells.