If You Wish to Rid an Experimental Organism of the Function

Multiple Choice

If you wish to rid an experimental organism of the function of a gene, you can use RNAi. What would you inject into the organism?

A) co-suppressor with double-stranded (ds) DNA
B) ssRNA complementary to cDNA
C) ssRNA complementary to mRNA
D) dsRNA homologous to the gene
E) dsRNA including transposase