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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Brca1em2Njo
endonuclease-mediated mutation 2, Neil Johnson
MGI:8460782
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Brca1em2Njo/Brca1em2Njo involves: C3H/HeJ * C57BL/6J MGI:8460949


Genotype
MGI:8460949
hm1
Allelic
Composition
Brca1em2Njo/Brca1em2Njo
Genetic
Background
involves: C3H/HeJ * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Brca1em2Njo mutation (0 available); any Brca1 mutation (114 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
endocrine/exocrine glands

growth/size/body

hematopoietic system
• severe reduction in HSCs and committed progenitor cells

immune system

integument

limbs/digits/tail

mortality/aging
• mice are born at lower-than-expected Mendelian ratio; non-surviving embryos die between stage E16.5 and birth

neoplasm

pigmentation

reproductive system

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
Fanconi anemia DOID:13636 OMIM:PS227650
J:295420





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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last database update
10/06/2026
MGI 6.29
The Jackson Laboratory