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The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories ( For more information about these ontologies, see the MGI Publications Page at

Term:abnormal meiosis
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Accession:MP:0001930 term browser browse the term
Definition:anomaly in the process of nuclear division that results in gametes with one half the normal number of the original cell

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abnormal meiosis term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Spata22 spermatogenesis associated 22 treatment IMP RGD PMID:23903057 RGD:38549346 NCBI chr10:59,893,064...59,910,769
Ensembl chr10:59,879,850...59,911,051
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Term paths to the root
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  mammalian phenotype 4987
    reproductive system phenotype 86
      abnormal reproductive system morphology 62
        abnormal gametogenesis 11
          abnormal meiosis 2
            abnormal chiasmata formation + 0
            abnormal chromosomal synapsis 0
            abnormal female meiosis + 0
            abnormal male meiosis + 0
            abnormal meiotic configurations + 0
            abnormal meiotic drive 0
            abnormal meiotic spindle assembly checkpoint 0
            abnormal meiotic spindle morphology 0
            abnormal meiotic telomere clustering + 0
            abnormal synaptonemal complex 0
            meiotic nondisjunction + 0
            uniparental disomy 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.