A compound attribute that is the ratio of amount of breakpoint cluster region protein (human) in blood to amount of 2,4-dienoyl-CoA reductase [(3E)-enoyl-CoA-producing], mitochondrial (human) in blood. The trait is BCR/DECR1 protein level ratio in blood (OBA_2053238, an Ontology of Biological Attributes id). Also known as: the ratio of amount of breakpoint cluster region protein (human) in blood to amount of 2,4-dienoyl-CoA reductase [(3E)-enoyl-CoA-producing], mitochondrial (human) in blood.