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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:transmission ratio distortion
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Accession:MP:0004179 term browser browse the term
Definition:the frequency that an allele or haplotype in the offspring of an organism deviates from expected Mendelian ratios
Synonyms:exact_synonym: nonrandom segregation ratio

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  mammalian phenotype 4987
    reproductive system phenotype 86
      abnormal reproductive system morphology 62
        abnormal gametogenesis 11
          transmission ratio distortion 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.