pooled tissues: (dev_stage=16 days embryo,tissue_type=heart,sex=mix),(dev_stage=16 days embryo,tissue_type=kidney,sex=mix),(dev_stage=17 days embryo,tissue_type=heart,sex=mix),(dev_stage=17 days embryo,tissue_type=stomach,sex=mix),(dev_stage=17 days embryo,tissue_type=kidney,sex=mix),(dev_stage=17 days pregnant, adult,tissue_type=amnion,sex=female), (dev_stage=13 days embryo,tissue_type=liver,sex=mix)