Question

The phenotypic dihybrid ratio in F2 generation is ________.

• A. 9:3:1
• B. 9:3:3:1
• C. 3:1:3
• D. 3:1

Answer 1

The correct option is B

9:3:3:1

When cross is made considering two characters at a time, it is called as dihybrid cross. In dihybrid cross, four different combinations of the characters appear in F2 generation in the ratio of 9:3:3:1.