| Primary Identifier | MGI:1856988 | Allele Type | Spontaneous |
| Gene | pdw | Inheritance Mode | Recessive |
| Strain of Origin | DBA/2J | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The proportional dwarf mutation (pwd) arose spontaneously on the DBA/2J background at The Jackson Laboratory in 1991. |