About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Mut1305
Mut1305
MGI:5429756
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Mut1305/Mut1305 involves: 101/H * C3H/HeH MGI:5429761
ht2
 		Mut1305/Mut1305+ involves: 101/H * C3H/HeH MGI:5429760


Genotype
MGI:5429761
hm1
Allelic
Composition		 Mut1305/Mut1305
Genetic
Background		 involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mut1305 mutation (2 available); any Mut1305 mutation (2 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
embryonic lethality, complete penetrance ( J:90559 )
• probably lethal by early post implantation




Genotype
MGI:5429760
ht2
Allelic
Composition		 Mut1305/Mut1305+
Genetic
Background		 involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mut1305 mutation (2 available); any Mut1305 mutation (2 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
craniofacial
domed cranium ( J:90559 )
• domed head in some mice at weaning

growth/size/body
decreased birth body size ( J:90559 )
• small birth size
decreased body size ( J:90559 )

pigmentation
decreased digit pigmentation ( J:90559 )
• many have white toes

limbs/digits/tail
decreased digit pigmentation ( J:90559 )
• many have white toes

skeleton
domed cranium ( J:90559 )
• domed head in some mice at weaning

integument
decreased digit pigmentation ( J:90559 )
• many have white toes




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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support. 		last database update
09/30/2025
MGI 6.24 		The Jackson Laboratory