In the context of RNA interference (RNAi) used in pest resistance, what is the role of the nematode-specific genes introduced into the host plant?
- AThey produce toxins that kill the nematode upon ingestion.
- BThey lead to the formation of double-stranded RNA (dsRNA) that silences specific nematode mRNA.
- CThey enhance the plant's natural defense mechanisms against nematodes.
- DThey modify the plant's root structure, making it unpalatable to nematodes.
✓ Correct answer: B
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