You have to make a punnett square
G G g g 100% bad vision 0% good vision
G GG GG G Gg Gg
G GG GG G Gg Gg Both are dominant for bad vision
S s S s
S SS Ss s SS Ss
S SS Ss s SS Ss 100% good sense of smell 0% bad
Both are dominant for good sense of smell