| Primary Identifier | MGI:1857022 | Allele Type | Spontaneous |
| Gene | rs | Inheritance Mode | Semidominant |
| Strain of Origin | C3H/HeJ | Is Recombinase | false |
| Is Wild Type | false |
| description | This allele is a semidominant mutation: 21% of known heterozygous offspring also have an abnormal phenotype and incomplete penetrance due to the genetic background, which likely explains the recovery rate. |