| Primary Identifier | MGI:1855936 | Allele Type | Spontaneous |
| Gene | a | Inheritance Mode | Dominant |
| Strain of Origin | Not Specified | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Molecular cloning demonstrated that the location of an exon, 1A, responsible for the ventral-specific light (white) belly is within a 3.1-kb element that is duplicated in the opposite orientation 15-kb upstream producing an interrupted palindrome approximately 22 kb in length. |
