Phenotype Allele Zygosity Sex Life Stage Procedure Parameter Phenotyping Center Source P Value Data preweaning lethality, incomplete penetrance Cacna1a homozygote not_considered Early adult Viability Primary Screen Viability Outcome MRC Harwell IMPC 0.0 //www.mousephenotype.org/data/charts?accession=MGI:109482&allele_accession_id=MGI:6257534&zygosity=homozygote¶meter_stable_id=IMPC_VIA_001_001&pipeline_stable_id=HRWL_001&procedure_stable_id=IMPC_VIA_001¶meter_stable_id=IMPC_VIA_001_001&phenotyping_center=MRC Harwell increased freezing behavior Cacna1a heterozygote male Early adult Fear Conditioning Conditioning Baseline % Freezing Time MRC Harwell IMPC 6.34E-6 //www.mousephenotype.org/data/charts?accession=MGI:109482&allele_accession_id=MGI:6257534&zygosity=heterozygote¶meter_stable_id=IMPC_FEA_003_001&pipeline_stable_id=HRWL_001&procedure_stable_id=IMPC_FEA_001¶meter_stable_id=IMPC_FEA_003_001&phenotyping_center=MRC Harwell