What is the difference between a phenodeviant mouse and a mutant mouse?
Phenodeviant mice have one or more traits that, based on an initial survey and reexamination, when appropriate, appear to be either abnormal (i.e. categorical phenotype) or otherwise out of the normal range of variation (i.e. quantitative phenotype). These deviations may or may not be heritable. Phenodeviants are considered to be mutant mice only when an aberrant trait is proven to be heritable.
