pooled tissues: (dev_stage=1 cell embryo,sex=mix,cell_type=1 cell),(dev_stage=3 cells embryo,sex=mix,cell_type=3 cells),(dev_stage=4 cells embryo,sex=mix,cell_type=4 cells),(dev_stage=morula,tissue_type=whole body,sex=mix,cell_type=morula),(dev_stage=4 days embryo,tissue_type=whole body,sex=mix),(dev_stage=5 days embryo,tissue_type=whole body,sex=mix)