The mutation was discovered following irradiation of a mouse carrying In(7)13Rk on a DBA/2J and C57BL/6J genetic background (cesium gamma ray, 1000 rads).
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count