| Primary Identifier | MGI:3603176 | Allele Type | Spontaneous |
| Gene | Pax1 | Inheritance Mode | Recessive |
| Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Analysis revealed 2.0 and 4.5-kb deletion regions that mapped to nt 2636 to 640 and -272 to 4271 of the Pax1 gene. Northern blot using a probe against exons 1-4 and part of 5 failed to detect transcript in thymus samples. RT-PCR further confirmed inactivation of the gene. |