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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		th20
t, Harwell 20
MGI:1856739
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		th20/th20 Not Specified MGI:4868368
ht2
 		th20/t6 Not Specified MGI:4868622
cx3
 		t+/th20
Itpr3tf/Itpr3tf 		involves: BTBR MGI:4868369
cx4
 		T th20/T+ t+ Not Specified MGI:4868366


Genotype
MGI:4868368
hm1
Allelic
Composition		 th20/th20
Genetic
Background		 Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
th20 mutation (0 available); any t mutation (19 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:4868622
ht2
Allelic
Composition		 th20/t6
Genetic
Background		 Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
t6 mutation (0 available); any t mutation (19 available)
th20 mutation (0 available); any t mutation (19 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:4868369
cx3
Allelic
Composition		 t+/th20
Itpr3tf/Itpr3tf
Genetic
Background		 involves: BTBR
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Itpr3tf mutation (20 available); any Itpr3 mutation (176 available)
th20 mutation (0 available); any t mutation (19 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
integument
abnormal hair growth ( J:5889 )
• due to a deletion associated with th20, this genotype looks like a mouse homozygous for the recessive mutation tufted




Genotype
MGI:4868366
cx4
Allelic
Composition		 T th20/T+ t+
Genetic
Background		 Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
T mutation (22 available); any T mutation (59 available)
th20 mutation (0 available); any t mutation (19 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
limbs/digits/tail




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
11/12/2024
MGI 6.24 		The Jackson Laboratory