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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
tw2
t, wild 2
MGI:1856569
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
tw2/tw2 Not Specified MGI:3040931
ht2
tw82/tw2 Not Specified MGI:4437730


Genotype
MGI:3040931
hm1
Allelic
Composition
tw2/tw2
Genetic
Background
Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
tw2 mutation (1 available); any t mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• many degenerating tubules with no germ cells are found in homozygotes
• phagocytosis of abnormal spermatids by Sertoli cells is seen

reproductive system
• the nuclear envelope becomes discontinuous in some elongating spermatids and an overproliferation of disorganized microtubules is seen in homozygotes
• overproliferation of disorganized microtubules is observed
• many degenerating tubules with no germ cells are found in homozygotes
• phagocytosis of abnormal spermatids by Sertoli cells is seen
• males are sterile

cellular
• the nuclear envelope becomes discontinuous in some elongating spermatids and an overproliferation of disorganized microtubules is seen in homozygotes
• overproliferation of disorganized microtubules is observed




Genotype
MGI:4437730
ht2
Allelic
Composition
tw82/tw2
Genetic
Background
Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
tw2 mutation (1 available); any t mutation (19 available)
tw82 mutation (1 available); any t mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system





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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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last database update
06/12/2024
MGI 6.13
The Jackson Laboratory