Phenotype Allele Zygosity Sex Life Stage Procedure Parameter Phenotyping Center Source P Value Data abnormal epididymis morphology Katna1 heterozygote male Early adult Gross Pathology and Tissue Collection Epididymis RBRC IMPC 0.0 //www.mousephenotype.org/data/grosspath/MGI:1344353/IMPC_PAT_025_002 preweaning lethality, incomplete penetrance Katna1 homozygote not_considered Early adult Viability Primary Screen Viability Outcome RBRC IMPC 0.0 //www.mousephenotype.org/data/charts?accession=MGI:1344353&allele_accession_id=MGI:6156142&zygosity=homozygote¶meter_stable_id=IMPC_VIA_001_001&pipeline_stable_id=IMPC_001&procedure_stable_id=IMPC_VIA_001¶meter_stable_id=IMPC_VIA_001_001&phenotyping_center=RBRC enlarged testis Katna1 heterozygote male Early adult Gross Pathology and Tissue Collection Testes RBRC IMPC 0.0 //www.mousephenotype.org/data/grosspath/MGI:1344353/IMPC_PAT_024_002 enlarged epididymis Katna1 heterozygote male Early adult Gross Pathology and Tissue Collection Epididymis RBRC IMPC 0.0 //www.mousephenotype.org/data/grosspath/MGI:1344353/IMPC_PAT_025_002