In the F₂ Generation of a Dihybrid Cross

Multiple Choice

In the F₂ generation of a dihybrid cross

A) four phenotypes appear in the ratio 9:3:3:1 if the loci are linked.
B) four phenotypes appear in the ratio 9:3:3:1 if the loci are unlinked.
C) two phenotypes appear in the ratio 3:1 if the loci are unlinked.
D) three phenotypes appear in the ratio 1:2:1 if the loci are unlinked.
E) two phenotypes appear in the ratio 1:1 whether or not the loci are linked.