27.下列何種基因的變異最不會造成家族性高膽固醇血症(familial hypercholesterolemia)？
(A)low-density lipoprotein receptor(LDLR)
(B)proprotein convertase subtilisin/kexin type 9(PCSK9)
(C)ATP-binding cassette A1(ABCA1)
(D)autosomal recessive hypercholesterolemia(ARH1)

家族性高膽固醇血症（FH）與相關脂質代...