What is back cross?Explain with example.

Explanation

### Step-by-Step Solution:

1. **Definition of Back Cross**:
A back cross, also known as a test cross, is the mating of an individual (usually a hybrid) with one of its parents or an individual genetically similar to its parents. This is done to determine the genotype of the hybrid.

2. **Example Setup**:
Consider two parent plants:
- Parent 1 (P1): Homozygous dominant for height (TT) - Tall
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