Phenotypic ratio of dihybrid cross is __________

Explanation

To determine the phenotypic ratio of a dihybrid cross, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Dihybrid Cross**:
A dihybrid cross involves two traits, each represented by two alleles. For example, consider the traits of seed shape (round vs. wrinkled) and seed color (yellow vs. green).

2. **Identify Dominant and Recessive Traits**:
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