| Primary Identifier | MGI:1857080 | Allele Type | Chemically induced (other) |
| Gene | tu | Inheritance Mode | Recessive |
| Strain of Origin | Not Specified | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | An induced mutation identified among the descendants of a female treated with nitrogen mustard at the beginning of pregnancy. The trait may be due to a recessive mutation with reduced penetrance, but there are irregularities in the segregation pattern that cast some doubt on this hypothesis. |