What genotypic ratio would you expect in the gametophyte generation of C-ferns produced by F1, spores if two t

What genotypic ratio would you expect in the gametophyte generation of C-ferns produced by F1, spores if two traits on separate chromosomes were being followed?|||If it is two different genes, then according to Mendel's laws of independent assortment you would expect a 9:3:3:1 ratio.