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RNA interference (RNAi) is a biological process that:
- Amplifies DNA
- Silences gene expression
- Replicates RNA
- Translates proteins
Answer: Silences gene expression
RNAi uses siRNA/miRNA to degrade or block translation of specific mRNA, regulating genes. Applied in pest-resistant crops (e.g., RNAi cotton) and therapeutic research. [[NCERT Biology Class 12, DBT Reports]]