Phenotype Allele Zygosity Sex Life Stage Procedure Parameter Phenotyping Center Source P Value Data decreased spleen weight Tbc1d8b hemizygote male Early adult Organ Weight Spleen weight BCM IMPC 2.07E-6 //www.mousephenotype.org/data/charts?accession=MGI:1918101&allele_accession_id=MGI:6257679&zygosity=hemizygote¶meter_stable_id=IMPC_OWT_002_001&pipeline_stable_id=BCM_001&procedure_stable_id=IMPC_OWT_001¶meter_stable_id=IMPC_OWT_002_001&phenotyping_center=BCM