| Primary Identifier | MGI:3844548 | Allele Type | Spontaneous |
| Gene | Uml | Inheritance Mode | Semidominant |
| Strain of Origin | old mutant of the mouse fancy | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Although this mutation was originally called umbrous, a complementation test was not performed with umbrous, nor were mapping crosses made. The phenotype is only similar to umbrous. |
