Complementary ds RNA which prevents translation is formed in ________.

• RNA interference (RNAi) is a post-transcriptional process, that inhibits the translation of mRNA into its proteins.
• It helps in regulating the activity of the genes by silencing or deactivating the genes.
• This technology is used to obtain disease resistance in some plants.
• After an infection, the pathogen produces RNA in the host cell to express toxins, produce more progeny, virus coat protein, etc.
• This RNA produced by the infectious agent can be silenced using a complementary dsRNA produced by the host.
• This dsRNA, helps in recognizing and transferring to the target RNA from nematodes, bacteria, or viruses.
• One of the strands is degraded and a single-stranded complementary RNA binds to the target RNA.
• The binding of ssRNA (from host) prevents the translation of the mRNA (silencing).

Hence, the correct answer is option 2.