How is transgenic tobacco plant protected against Meloidogyne incognita?

Explanation

To understand how transgenic tobacco plants are protected against Meloidogyne incognita, we can break down the process into the following steps:

### Step-by-Step Solution:

1. **Introduction to Transgenic Tobacco Plants**:
- Transgenic tobacco plants are genetically modified plants that have been altered to express specific genes that can provide resistance to pests or diseases.

**Hint**: Transgenic plants are created by introducing foreign DNA into their genome.
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