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(A) $RNA$ interference $(RNAi)$ is a cellular mechanism used to silence specific genes. In biotechnology,this process is utilized to create pest-resis

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Nematodes

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(A) $RNA$ interference $(RNAi)$ is a cellular mechanism used to silence specific genes. In biotechnology,this process is utilized to create pest-resistant plants. Specifically,it has been successfully used to protect tobacco plants from infestation by the nematode $Meloidogyne$ $incognita$. By introducing nematode-specific genes into the host plant,the plant produces double-stranded $RNA$ $(dsRNA)$ that triggers the $RNAi$ pathway in the nematode upon ingestion,leading to the silencing of essential genes and the death of the parasite.

The process of $RNA$ interference is used to protect plants from which of the following?

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