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Phenotypes Associated with This Genotype
Genotype
MGI:2386773
Allelic
Composition		 Mesp2tm1Ysa/Mesp2tm1Ysa
Genetic
Background		 involves: C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mesp2tm1Ysa mutation (0 available); any Mesp2 mutation (30 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
embryo
abnormal somite border morphology ( J:75945 )
• absence of segmental borders in embryonic tails at E11.5
absent somites ( J:75945 )
• absence of epithelial somites in embryonic tails at E11.5

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