A compound attribute that is the ratio of amount of alpha-(1,6)-fucosyltransferase (human) in blood to amount of R-spondin-1 (human) in blood. The trait is OBA_2053767 (FUT8/RSPO1 protein level ratio in blood). Also known as: the ratio of amount of alpha-(1,6)-fucosyltransferase (human) in blood to amount of R-spondin-1 (human) in blood.