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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Hba-x+
wild type
MGI:2430987
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Hba-xtm1Led/Hba-x+ involves: 129S6/SvEvTac * NIH Black Swiss MGI:2679492
cx2
 		Hba-a1tm1Led/Hba-a1+
Hba-xtm1Led/Hba-x+ 		involves: 129S6/SvEvTac * NIH Black Swiss MGI:2679489


Genotype
MGI:2679492
ht1
Allelic
Composition		 Hba-xtm1Led/Hba-x+
Genetic
Background		 involves: 129S6/SvEvTac * NIH Black Swiss
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hba-xtm1Led mutation (1 available); any Hba-x mutation (10 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
abnormal hemoglobin ( J:41934 )
• reduced hemoglobin concentration




Genotype
MGI:2679489
cx2
Allelic
Composition		 Hba-a1tm1Led/Hba-a1+
Hba-xtm1Led/Hba-x+
Genetic
Background		 involves: 129S6/SvEvTac * NIH Black Swiss
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hba-a1tm1Led mutation (1 available); any Hba-a1 mutation (5 available)
Hba-xtm1Led mutation (1 available); any Hba-x mutation (10 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
abnormal hemoglobin ( J:41934 )
• reduced hemoglobin concentration




Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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Send questions and comments to User Support. 		last database update
01/13/2026
MGI 6.24 		The Jackson Laboratory