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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Map2repro4
reproductive mutant 4, JAX Reproductive Mutagenesis Program
MGI:3512900
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Map2repro4/Map2repro4 B6;C3Fe-Maprepro4/J MGI:3709014
hm2
Map2repro4/Map2repro4 C3.B6-Map2repro4 MGI:5544322


Genotype
MGI:3709014
hm1
Allelic
Composition
Map2repro4/Map2repro4
Genetic
Background
B6;C3Fe-Maprepro4/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Map2repro4 mutation (0 available); any Map2 mutation (109 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
• some germ cells appear apoptotic
• no sperm recovered
• arrest of germ cells during late pachytene stage of meiotic prophase
• very low testis weight

endocrine/exocrine glands
• very low testis weight

cellular
• some germ cells appear apoptotic
• no sperm recovered
• arrest of germ cells during late pachytene stage of meiotic prophase




Genotype
MGI:5544322
hm2
Allelic
Composition
Map2repro4/Map2repro4
Genetic
Background
C3.B6-Map2repro4
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Map2repro4 mutation (0 available); any Map2 mutation (109 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
reproductive system
N
• males produce plugs normally in females
• weight 1/3 that of controls
• very few round spermatids at 24 days of age
• increased apoptotic spermatocytes by 17 days of age
• at mid pachytene stage of prophase of meiosis I
• ome spermatocytes do advance
• spermatogonial proliferation is normal however
• very few epididymal sperm

endocrine/exocrine glands
• weight 1/3 that of controls

cellular
• very few round spermatids at 24 days of age
• increased apoptotic spermatocytes by 17 days of age
• at mid pachytene stage of prophase of meiosis I
• ome spermatocytes do advance
• spermatogonial proliferation is normal however





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last database update
10/29/2024
MGI 6.24
The Jackson Laboratory