A.If the mother is genotypically and phenotypically normal
B.If the mother is phenotypically normal but genotypically is carrier
C.If both of these conditions exist
D.If none of these conditions exist
A.If the mother is genotypically and phenotypically normal
B.If the mother is phenotypically normal but genotypically is carrier
C.If both of these conditions exist
D.If none of these conditions exist