这种突变是在一个ENU诱变的雄性小鼠后代中发现的。 (Source: "This mutation was discovered in the offspring of an ENU-mutagenized male mouse" from the given context)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count