| Primary Identifier | MGI:4361275 | Allele Type | Spontaneous |
| Gene | Hoxd13 | Inheritance Mode | Semidominant |
| Strain of Origin | BALB/c | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Spontaneous duplications, likely due to fork stalling and template switching, expand the polyalanine stretch in exon 1 from 15 to 22 alanines. |