The phenotypic ratio expected from a dihybrid cross involvin

The phenotypic ratio expected from a dihybrid cross involving complete dominance is

Select one:

a. 1:2:1.

b. 9:3:1.

c. 9:3:3:1.

d. 4:1.

Solution

In a dihybrid cross, four phenotypes including homozygous and heterozygous are there. so , according to law of independent assortment all possible combination occurs with the allelic traits. the answer is c. 9:3:3:1.