Phenotype Allele Zygosity Sex Life Stage Procedure Parameter Phenotyping Center Source P Value Data preweaning lethality, incomplete penetrance Man1b1 homozygote female Early adult Viability Primary Screen Homozygous females viability BCM IMPC 0.0 //www.mousephenotype.org/data/charts?accession=MGI:2684954&allele_accession_id=MGI:6257674&zygosity=homozygote¶meter_stable_id=IMPC_VIA_064_001&pipeline_stable_id=BCM_001&procedure_stable_id=IMPC_VIA_002¶meter_stable_id=IMPC_VIA_064_001&phenotyping_center=BCM increased heart left ventricle size Man1b1 heterozygote male Early adult Echo LVAWd BCM IMPC 1.55E-5 //www.mousephenotype.org/data/charts?accession=MGI:2684954&allele_accession_id=MGI:6257674&zygosity=heterozygote¶meter_stable_id=IMPC_ECH_007_001&pipeline_stable_id=BCM_001&procedure_stable_id=IMPC_ECH_001¶meter_stable_id=IMPC_ECH_007_001&phenotyping_center=BCM