About   Help   FAQ
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





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
11/19/2024
MGI 6.24
The Jackson Laboratory