Biologymedium · Past Paper
What is the phenotypic ratio of a dihybrid cross in the F2 generation?
A3:1
B1:2:1
C9:3:3:1
D1:1:1:1
✓ Correct Answer: C — 9:3:3:1
In a dihybrid cross involving two traits, the F2 phenotypic ratio is 9 (both dominant), 3 (one dominant), 3 (other dominant), and 1 (both recessive).
Share this question