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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Hoxd13+
wild type
MGI:2153083
Summary 13 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Hoxd13spdh/Hoxd13+ B6C3Fe a/a-Hoxd13spdh/J MGI:3801685
ht2
Hoxd13Dyc/Hoxd13+ BALB/c-Hoxd13Dyc MGI:4361287
ht3
Hoxd13tm1Ddu/Hoxd13+ involves: 129S2/SvPas MGI:3587034
ht4
Hoxd13tm1Mrc/Hoxd13+ involves: 129S7/SvEvBrd MGI:3513189
cx5
Hoxd12tm2Ddu/Hoxd12+
Hoxd13tm1Ddu/Hoxd13+
either: (involves: 129S2/SvPas * 129/Sv) or (involves: 129S2/SvPas * C57BL/6) MGI:2178077
cx6
Hoxa13tm1Ipc/Hoxa13tm1Ipc
Hoxd13tm1Ddu/Hoxd13+
either: (involves: 129/Sv * 129S2/SvPas) or (involves: 129S2/SvPas * C57BL/6) MGI:3721897
cx7
Hoxa13tm2Ipc/Hoxa13tm2Ipc
Hoxd13tm1Ddu/Hoxd13+
either: (involves: 129/Sv * 129S2/SvPas) or (involves: 129S2/SvPas * C57BL/6) MGI:3721898
cx8
Hoxa13tm2Ipc/Hoxa13+
Hoxd13tm1Ddu/Hoxd13+
either: (involves: 129/Sv * 129S2/SvPas) or (involves: 129S2/SvPas * C57BL/6) MGI:3721893
cx9
Hoxa13tm1Ipc/Hoxa13+
Hoxd13tm1Ddu/Hoxd13+
either: (involves: 129/Sv * 129S2/SvPas) or (involves: 129S2/SvPas * C57BL/6) MGI:3721892
cx10
Evx2/Hoxd13tm5(Hoxd11/lacZ)Ddu/Del(2Hoxd11-Hoxd13)29Ddu involves: 129S2/SvPas MGI:4940350
cx11
Del(2Hoxd11-Hoxd13)29Ddu/+
Hoxd13Dyc/Hoxd13+
involves: 129S2/SvPas * BALB/c MGI:4361285
cx12
Hoxa13tm1Ipc/Hoxa13+
Hoxd13spdh/Hoxd13+
involves: 129S2/SvPas * C3HeB/FeJLe * C57BL/6J MGI:3802656
cx13
Del(2Hoxd11-Hoxd13)29Ddu/+
Hoxd13spdh/Hoxd13+
involves: 129S2/SvPas * C3HeB/FeJLe * C57BL/6J MGI:3802653


Genotype
MGI:3801685
ht1
Allelic
Composition
Hoxd13spdh/Hoxd13+
Genetic
Background
B6C3Fe a/a-Hoxd13spdh/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxd13spdh mutation (1 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• a subtle reduction in the length of the second phalanges in digits II and V is scored in approximately 30% of the cases




Genotype
MGI:4361287
ht2
Allelic
Composition
Hoxd13Dyc/Hoxd13+
Genetic
Background
BALB/c-Hoxd13Dyc
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxd13Dyc mutation (1 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• in digits 2 and 5




Genotype
MGI:3587034
ht3
Allelic
Composition
Hoxd13tm1Ddu/Hoxd13+
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxd13tm1Ddu mutation (0 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• disorganization of the internal anal sphincter

muscle
• disorganization of the internal anal sphincter




Genotype
MGI:3513189
ht4
Allelic
Composition
Hoxd13tm1Mrc/Hoxd13+
Genetic
Background
involves: 129S7/SvEvBrd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxd13tm1Mrc mutation (0 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• heterozygotes exhibit minor carpal defects, including a slight indentation at the distal border
• heterozygotes display a tiny bony element located postaxially to digit V at a penetrance of 36%

skeleton
• heterozygotes exhibit minor carpal defects, including a slight indentation at the distal border




Genotype
MGI:2178077
cx5
Allelic
Composition
Hoxd12tm2Ddu/Hoxd12+
Hoxd13tm1Ddu/Hoxd13+
Genetic
Background
either: (involves: 129S2/SvPas * 129/Sv) or (involves: 129S2/SvPas * C57BL/6)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxd12tm2Ddu mutation (1 available); any Hoxd12 mutation (14 available)
Hoxd13tm1Ddu mutation (0 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• postminimus in 80% of trans-heterozygous mice
• reduction in digit size of trans-heterozygous mice is most prominent in the second phalanges
• trans-heterozygous mice exhibit a reduction of digits V and II in the forelimbs

skeleton
• reduction in digit size of trans-heterozygous mice is most prominent in the second phalanges




Genotype
MGI:3721897
cx6
Allelic
Composition
Hoxa13tm1Ipc/Hoxa13tm1Ipc
Hoxd13tm1Ddu/Hoxd13+
Genetic
Background
either: (involves: 129/Sv * 129S2/SvPas) or (involves: 129S2/SvPas * C57BL/6)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxa13tm1Ipc mutation (0 available); any Hoxa13 mutation (29 available)
Hoxd13tm1Ddu mutation (0 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

limbs/digits/tail
• with the exception of an altered pisiform cartilage, there is no individualization of carpal condensation
• digits lack separation and segmentation and tend to fuse terminally
• mice lack digit I and some mice have a minute posterior extra digit cartilage
• the tarsus is altered more than in Hoxa13tm1Ipc/ Hoxa13+ Hoxd13tm1Ddu/Hoxd13tm1Ddu mice
• none of the tarsus blastemas are properly individualized and there is no separation between proximal and distal rows
• in the hindlimbs condensations for digits I through V are apparent but are irregular and remain in a primitive state
• in the hindlimbs, there is no chondrification in digit rays II and V
• foot plates are narrower, especially towards the distal extremities, when compared with Hoxa13tm1Ipc/ Hoxa13+ Hoxd13tm1Ddu/Hoxd13tm1Ddu mice

skeleton
• with the exception of an altered pisiform cartilage, there is no individualization of carpal condensation
• the tarsus is altered more than in Hoxa13tm1Ipc/ Hoxa13+ Hoxd13tm1Ddu/Hoxd13tm1Ddu mice
• none of the tarsus blastemas are properly individualized and there is no separation between proximal and distal rows




Genotype
MGI:3721898
cx7
Allelic
Composition
Hoxa13tm2Ipc/Hoxa13tm2Ipc
Hoxd13tm1Ddu/Hoxd13+
Genetic
Background
either: (involves: 129/Sv * 129S2/SvPas) or (involves: 129S2/SvPas * C57BL/6)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxa13tm2Ipc mutation (0 available); any Hoxa13 mutation (29 available)
Hoxd13tm1Ddu mutation (0 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

limbs/digits/tail
• with the exception of an altered pisiform cartilage, there is no individualization of carpal condensation
• digits lack separation and segmentation and tend to fuse terminally
• mice lack digit I and some mice have a minute posterior extra digit cartilage
• the tarsus is altered more than in Hoxa13tm2Ipc/ Hoxa13+ Hoxd13tm1Ddu/Hoxd13tm1Ddu mice
• none of the tarsus blastemas are properly individualized and there is no separation between proximal and distal rows
• in the hindlimbs condensations for digits I through V are apparent but are irregular and remain in a primitive state
• in the hindlimbs, there is no chondrification in digit rays II and V
• foot plates are narrower, especially towards the distal extremities, when compared with Hoxa13tm2Ipc/ Hoxa13+ Hoxd13tm1Ddu/Hoxd13tm1Ddu mice

skeleton
• with the exception of an altered pisiform cartilage, there is no individualization of carpal condensation
• the tarsus is altered more than in Hoxa13tm2Ipc/ Hoxa13+ Hoxd13tm1Ddu/Hoxd13tm1Ddu mice
• none of the tarsus blastemas are properly individualized and there is no separation between proximal and distal rows




Genotype
MGI:3721893
cx8
Allelic
Composition
Hoxa13tm2Ipc/Hoxa13+
Hoxd13tm1Ddu/Hoxd13+
Genetic
Background
either: (involves: 129/Sv * 129S2/SvPas) or (involves: 129S2/SvPas * C57BL/6)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxa13tm2Ipc mutation (0 available); any Hoxa13 mutation (29 available)
Hoxd13tm1Ddu mutation (0 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• in 50% of mice, the fourth posterior distal carpal bone is partly or fully split into two distinct bone
• digits I and V are deformed in the hinblimb
• digit I is more truncated than normal and no first phalanx is visible
• digit I in the hindlimb has its first phalanx truncated and the terminal phalanx has an altered bell-shaped morphology
• the second phalanges of digits II and mostly in digit V are truncated in the forelimbs and hindlimbs
• digits II and III are fused and alterations in the claw of digit I are observeddigits II and III are fused and alterations in the claw of digit I are observed
• newborn mice show an incomplete segmentation between phalangeal cartilage in digit I
• digit I lacks a first phalanx and newborn mice show an incomplete segmentation between the two phalangeal cartilages in forelimbs and in some hindlimbs
• digit I in the hindlimb has its first phalanx truncated and the terminal phalanx has an altered bell-shaped morphology
• the second phalanges of digits II and mostly in digit V are truncated in the forelimbs and hindlimbs
• in adults, digits I, II and V are truncated
• 23 of 40 mice have an extra posterior digit in the forelimbs consisting of either a small floating bone distal to the post minimus or an entire small digit
• in adults, digits III and IV are partially fused in the forelimbs and digits II, III and IV are completely fused in the hindlimbs
• the metatarsal of digit I is elongated

skeleton
• in 50% of mice, the fourth posterior distal carpal bone is partly or fully split into two distinct bone
• digit I lacks a first phalanx and newborn mice show an incomplete segmentation between the two phalangeal cartilages in forelimbs and in some hindlimbs
• digit I in the hindlimb has its first phalanx truncated and the terminal phalanx has an altered bell-shaped morphology
• the second phalanges of digits II and mostly in digit V are truncated in the forelimbs and hindlimbs
• the metatarsal of digit I is elongated




Genotype
MGI:3721892
cx9
Allelic
Composition
Hoxa13tm1Ipc/Hoxa13+
Hoxd13tm1Ddu/Hoxd13+
Genetic
Background
either: (involves: 129/Sv * 129S2/SvPas) or (involves: 129S2/SvPas * C57BL/6)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxa13tm1Ipc mutation (0 available); any Hoxa13 mutation (29 available)
Hoxd13tm1Ddu mutation (0 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• in 50% of mice, the fourth posterior distal carpal bone is partly or fully split into two distinct bone
• digits I and V are deformed in the hinblimb
• digit I is more truncated than normal and no first phalanx is visible
• newborn mice show an incomplete segmentation between phalangeal cartilage in digit I
• digit I in the hindlimb has its first phalanx truncated and the terminal phalanx has an altered bell-shaped morphology
• the second phalanges of digits II and mostly in digit V are truncated in the forelimbs and hindlimbs
• digits II and III are fused and alterations in the claw of digit I are observeddigits II and III are fused and alterations in the claw of digit I are observed
• digit I lacks a first phalanx and newborn mice show an incomplete segmentation between the two phalangeal cartilages in forelimbs and in some hindlimbs
• digit I in the hindlimb has its first phalanx truncated and the terminal phalanx has an altered bell-shaped morphology
• the second phalanges of digits II and mostly in digit V are truncated in the forelimbs and hindlimbs
• in adults, digits I, II and V are truncated
• 23 of 40 mice have an extra posterior digit in the forelimbs consisting of either a small floating bone distal to the post minimus or an entire small digit
• in adults, digits III and IV are partially fused in the forelimbs and digits II, III and IV are completely fused in the hindlimbs
• the metatarsal of digit I is elongated

skeleton
• in 50% of mice, the fourth posterior distal carpal bone is partly or fully split into two distinct bone
• digit I lacks a first phalanx and newborn mice show an incomplete segmentation between the two phalangeal cartilages in forelimbs and in some hindlimbs
• digit I in the hindlimb has its first phalanx truncated and the terminal phalanx has an altered bell-shaped morphology
• the second phalanges of digits II and mostly in digit V are truncated in the forelimbs and hindlimbs
• the metatarsal of digit I is elongated




Genotype
MGI:4940350
cx10
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 (24 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
cx11
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 (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• in all digits
• in the hind limbs




Genotype
MGI:3802656
cx12
Allelic
Composition
Hoxa13tm1Ipc/Hoxa13+
Hoxd13spdh/Hoxd13+
Genetic
Background
involves: 129S2/SvPas * C3HeB/FeJLe * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxa13tm1Ipc mutation (0 available); any Hoxa13 mutation (29 available)
Hoxd13spdh mutation (1 available); any Hoxd13 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• absence of the second phalanges in digits II and V




Genotype
MGI:3802653
cx13
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 (24 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





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last database update
03/18/2025
MGI 6.24
The Jackson Laboratory