Phenotype Allele Zygosity Sex Life Stage Procedure Parameter Phenotyping Center Source P Value Data small spleen Ephb2 homozygote male Early adult Gross Pathology and Tissue Collection Spleen UC Davis IMPC 0.0 //www.mousephenotype.org/data/grosspath/MGI:99611/IMPC_PAT_016_002 increased exploration in new environment Ephb2 homozygote not_considered Early adult Combined SHIRPA and Dysmorphology Locomotor activity UC Davis IMPC 1.97E-5 //www.mousephenotype.org/data/charts?accession=MGI:99611&allele_accession_id=MGI:6276938&zygosity=homozygote¶meter_stable_id=IMPC_CSD_032_001&pipeline_stable_id=UCD_001&procedure_stable_id=IMPC_CSD_003¶meter_stable_id=IMPC_CSD_032_001&phenotyping_center=UC Davis