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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Vsx2or-2J
ocular retardation 2 Jackson
MGI:1856113
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Vsx2or-2J/Vsx2or-2J NOR2/LtDn-Vsx2or-2J/J MGI:3799537
ht2
 		Vsx2or-J/Vsx2or-2J involves: 129S1/Sv * NOR2/LtDn MGI:3799539


Genotype
MGI:3799537
hm1
Allelic
Composition		 Vsx2or-2J/Vsx2or-2J
Genetic
Background		 NOR2/LtDn-Vsx2or-2J/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Vsx2or-2J mutation (1 available); any Vsx2 mutation (26 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
reproductive system
abnormal gametogenesis ( J:30714 )
• both testis and ovaries have defective germ cell maturation

vision/eye
abnormal eye development ( J:30714 )
• differentiated retina and lens fail to develop
microphthalmia ( J:30714 )
• severe microphthalmia




Genotype
MGI:3799539
ht2
Allelic
Composition		 Vsx2or-J/Vsx2or-2J
Genetic
Background		 involves: 129S1/Sv * NOR2/LtDn
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Vsx2or-2J mutation (1 available); any Vsx2 mutation (26 available)
Vsx2or-J mutation (1 available); any Vsx2 mutation (26 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
reproductive system
reproductive system phenotype ( J:30714 )
N
• Background Sensitivity: although ocular retardation 2 Jackson homozygotes are infertile, compound heterozygotes of both sexes are fertile




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Send questions and comments to User Support. 		last database update
09/30/2025
MGI 6.24 		The Jackson Laboratory