Multiple choice

The phenotypic ratio of the F2 offsprings in a dihybrid cross is

  1. 9: 3: 3: 1

  2. 13 : 3

  3. 1 : 2 : 1

  4. 1: 1: 1: 1
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In a dihybrid cross, the F2 phenotypic ratio is 9:3:3:1 (9 both dominant, 3 dominant-first only, 3 dominant-second only, 1 both recessive). This is Mendel's classic 9:3:3:1 ratio from pea plant experiments. Options B (13:3) is for specific gene interactions. Option C is for monohybrid genotypic ratio.

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