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Phenotypes Associated with This Genotype
Genotype
MGI:5298848
Allelic
Composition		 Htttm1Hay/Htttm1Hay
Tg(YAC18)18Hay/0
Genetic
Background		 involves: FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Htttm1Hay mutation (0 available); any Htt mutation (178 available)
Tg(YAC18)18Hay mutation (0 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
mortality/aging ( J:67366 )
N
• embryonic lethality observed in Htttm1Hay homozygotes is rescued

reproductive system
reproductive system phenotype ( J:67366 )
N
• mice exhibit normal testes and are fertile

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
01/20/2026
MGI 6.24 		The Jackson Laboratory