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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
+
wild type
MGI:3762347
Summary 6 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Del(2Hoxd11-Hoxd13)29Ddu/+ involves: 129S2/SvPas MGI:2178061
cx2
Evx2/Hoxd13tm5(Hoxd11/lacZ)Ddu/Del(2Hoxd11-Hoxd13)29Ddu involves: 129S2/SvPas MGI:4940349
cx3
Evx2/Hoxd13tm5(Hoxd11/lacZ)Ddu/Del(2Hoxd11-Hoxd13)29Ddu involves: 129S2/SvPas MGI:4940350
cx4
Del(2Hoxd11-Hoxd13)29Ddu/+
Hoxd13Dyc/Hoxd13+
involves: 129S2/SvPas * BALB/c MGI:4361285
cx5
Del(2Hoxd11-Hoxd13)29Ddu/+
Hoxd13spdh/Hoxd13+
involves: 129S2/SvPas * C3HeB/FeJLe * C57BL/6J MGI:3802653
cx6
Del(2Hoxd11-Hoxd13)29Ddu/Hoxdtm3Ddu involves: 129S2/SvPas * C57BL/6 * SJL MGI:2178141


Genotype
MGI:2178061
ht1
Allelic
Composition
Del(2Hoxd11-Hoxd13)29Ddu/+
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available); any Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• in digits 2 and 5 (J:153164)
• in newborns, digits II and V are reduced in size (shortened) (J:36443)
• digit V and digit II are always affected to some degree, particularly in the front paws
• at birth




Genotype
MGI:4940349
cx2
Allelic
Composition
Evx2/Hoxd13tm5(Hoxd11/lacZ)Ddu/Del(2Hoxd11-Hoxd13)29Ddu
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available); any Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available)
Evx2/Hoxd13tm5(Hoxd11/lacZ)Ddu mutation (0 available); any Evx2 mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• the second phalanges is reduced or absent compared to in wild-type mice
• digits II and V are shorter than in wild-type mice due to a reduction or absence of the second phalanges

skeleton
• the second phalanges is reduced or absent compared to in wild-type mice




Genotype
MGI:4940350
cx3
Allelic
Composition
Evx2/Hoxd13tm5(Hoxd11/lacZ)Ddu/Del(2Hoxd11-Hoxd13)29Ddu
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available); any Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available)
Evx2/Hoxd13tm5(Hoxd11/lacZ)Ddu mutation (0 available); any Hoxd13 mutation (22 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• the second phalanges is reduced or absent compared to in wild-type mice
• digits II and V are shorter than in wild-type mice due to a reduction or absence of the second phalanges

skeleton
• the second phalanges is reduced or absent compared to in wild-type mice




Genotype
MGI:4361285
cx4
Allelic
Composition
Del(2Hoxd11-Hoxd13)29Ddu/+
Hoxd13Dyc/Hoxd13+
Genetic
Background
involves: 129S2/SvPas * BALB/c
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available); any Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available)
Hoxd13Dyc mutation (1 available); any Hoxd13 mutation (22 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• in all digits
• in the hind limbs




Genotype
MGI:3802653
cx5
Allelic
Composition
Del(2Hoxd11-Hoxd13)29Ddu/+
Hoxd13spdh/Hoxd13+
Genetic
Background
involves: 129S2/SvPas * C3HeB/FeJLe * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available); any Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available)
Hoxd13spdh mutation (1 available); any Hoxd13 mutation (22 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• less pronounced than in homozygotes of either component mutation
• variable syndactyly of digits III and IV, along with a supernumerary digit in between

reproductive system
• although males homozygous for either mutation are sterile, approximately 60% of these trans-heterozygotes are fertile

skeleton
• at 8 days of age the paws have some delay in the ossification process although ossification centers are observed




Genotype
MGI:2178141
cx6
Allelic
Composition
Del(2Hoxd11-Hoxd13)29Ddu/Hoxdtm3Ddu
Genetic
Background
involves: 129S2/SvPas * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available); any Del(2Hoxd11-Hoxd13)29Ddu mutation (2 available)
Hoxdtm3Ddu mutation (0 available); any Hoxd mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• reductions in size of digits II and V





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last database update
01/20/2026
MGI 6.24
The Jackson Laboratory