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Phenotypes Associated with This Genotype
Genotype
MGI:5288480
Allelic
Composition		 T/tw73
Genetic
Background		 involves: M. m. musculus
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
T mutation (22 available); any T mutation (62 available)
tw73 mutation (0 available); any t mutation (19 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
reproductive system
transmission ratio distortion ( J:175677 )
• males of this genotype transmit tw73 to 88.6 per cent of offspring

limbs/digits/tail
absent tail ( J:175677 )
• all mice of this genotype are tailless

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
03/31/2026
MGI 6.24 		The Jackson Laboratory