A compound attribute that is the ratio of amount of tumor necrosis factor receptor superfamily member EDAR (human) in blood to amount of junctional adhesion molecule B (human) in blood. The trait is EDAR/JAM2 protein level ratio in blood (Ontology of Biological Attributes id OBA_2055625). Also known as: the ratio of amount of tumor necrosis factor receptor superfamily member EDAR (human) in blood to amount of junctional adhesion molecule B (human) in blood.