RNAi tegan6. February 2019 RNA interference (RNAi): RNA molecules are used to prevent the expression (either transcription or translation) of certain genes. Usually, RNAi results in partial, but not complete suppression of the gene of interest. Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.