Incomplete dominance in dihybrid crosses One gene with partial dominance, one gene with complete dominance: F2= 3: 6: 3: 1: 2: 1 3/4B/ (1AAB-=3/16 114AA 1/4b/b (2)AAbb=116 3/4B/ (3)AaB/-=6/16 1/2Aa 14b/b (4)Aab/b=2/16 3/4B/ (5)a/aB/-=3/16 114aa 14b/b (6)aabb=1/16Incomplete dominance in dihybrid crosses • One gene with partial dominance, one gene with complete dominance: F2 = 3:6:3:1:2:1 3/4 B/- (1) A/A B/- = 3/16 1/4 A/A 1/4 b/b (2) A/A b/b = 1/16 3/4 B/- (3) A/a B/- = 6/16 1/2 A/a 1/4 b/b (4) A/a b/b = 2/16 3/4 B/- (5) a/a B/- = 3/16 1/4 a/a 1/4 b/b (6) a/a b/b = 1/16