| Primary Identifier | MGI:1856062 | Allele Type | Spontaneous |
| Attribute String | Not Specified | Gene | Hr |
| Inheritance Mode | Recessive | Strain of Origin | C57BL/6J-Hbb<p> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | This allele was initially defined by a noncomplementation test with Hrhr and subsequently defined as a G to A transition at position 1253 of the cDNA (c.G1253A) resulting in a stop codon in place of a tryptophan in exon 3, resulting in premature termination. |