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Phenotypes Associated with This Genotype
Genotype
MGI:3713495
cx9
Allelic
Composition		 Tbx1tm1Bld/Del(16Es2el-Ufd1l)217Bld
Genetic
Background		 involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(16Es2el-Ufd1l)217Bld mutation (1 available); any Del(16Es2el-Ufd1l)217Bld mutation (1 available)
Tbx1tm1Bld mutation (1 available); any Tbx1 mutation (36 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
cardiovascular system
abnormal fourth pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes
abnormal sixth pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes
abnormal third pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes

craniofacial
abnormal fourth pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes
abnormal sixth pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes
abnormal third pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes
small second pharyngeal arch ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes

embryo
abnormal fourth pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes
abnormal sixth pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes
abnormal third pharyngeal arch artery morphology ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes
small second pharyngeal arch ( J:67409 )
• identical phenotype to Tbx1tm1Bld homozygotes

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
01/06/2026
MGI 6.24 		The Jackson Laboratory