Suppression, Genetic

**Definition:** Mutation process that restores the wild-type PHENOTYPE in an organism possessing a mutationally altered GENOTYPE. The second suppressor mutation may be on a different gene, on the same gene but located at a distance from the site of the primary mutation, or in extrachromosomal genes (EXTRACHROMOSOMAL INHERITANCE).

**Tree numbers:** - G05.365.590.835 - G05.558.835

**Synonyms:** - Genetic Suppression