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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Pax6Sey-2H
small eye, 2 Harwell
MGI:1934365
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Pax6Sey-2H/Pax6Sey-2H Not Specified MGI:2175200
ht2
 		Pax6Sey-2H/Pax6+ Not Specified MGI:2175201


Genotype
MGI:2175200
hm1
Allelic
Composition		 Pax6Sey-2H/Pax6Sey-2H
Genetic
Background		 Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pax6Sey-2H mutation (0 available); any Pax6 mutation (93 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:2175201
ht2
Allelic
Composition		 Pax6Sey-2H/Pax6+
Genetic
Background		 Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pax6Sey-2H mutation (0 available); any Pax6 mutation (93 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
perinatal lethality, incomplete penetrance ( J:69257 )
• fewer than expected numbers at birth
postnatal lethality, incomplete penetrance ( J:69257 )
• survival to weaning age is reduced
embryonic lethality, incomplete penetrance ( J:69257 )
• some post-implantation loss

pigmentation
white spotting ( J:69257 )
• low grade white spotting

growth/size/body
decreased birth body size ( J:69257 )
• small at birth

nervous system
exencephaly ( J:69257 )
• incomplete penetrance

integument
white spotting ( J:69257 )
• low grade white spotting




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
09/30/2025
MGI 6.24 		The Jackson Laboratory