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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Tc-2H
curtailed 2 Harwell
MGI:1856193
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Tc-2H/Tc-2H involves: 101/H * C3H/HeH MGI:4461915
ht2
 		Tc-2H/T+ involves: 101/H * C3H/HeH MGI:4461910


Genotype
MGI:4461915
hm1
Allelic
Composition		 Tc-2H/Tc-2H
Genetic
Background		 involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tc-2H mutation (0 available); any T mutation (61 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:4461910
ht2
Allelic
Composition		 Tc-2H/T+
Genetic
Background		 involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tc-2H mutation (0 available); any T mutation (61 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
preweaning lethality, incomplete penetrance ( J:85396 )
• preweaning mortality is 14% compared with 3% seen in matings of wild-type mice

limbs/digits/tail
absent tail ( J:85396 )
• tailless mice of this genotype are not uncommon
vestigial tail ( J:85396 )
• typically possessing only a short bone-less caudal filament




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
09/30/2025
MGI 6.24 		The Jackson Laboratory