| Primary Identifier | MGI:4415344 | Allele Type | Spontaneous |
| Gene |
Del(Y |
Strain of Origin | RIII |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Two-thirds of the long arm of the Y chromosome from the Tp(Y)1CtSxr-a (known to carry a Y chromosome from the RIII strain) was deleted. The transposed copy of the Sxra region was lost by normal X-Y recombination. |