Transgenic Plant
Which of the following has been widely used to provide resistance against plant viruses?

Expression of ribonuclease (RNase) genes in host plants
Expression of virus coat protein genes in transgenic plants
Virus resistance genes from bacteria
Expression of anti-virus genes in vectors that transmit viruses

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Transgenic Plant
Expression of antisense RNA in transgenic plants is a general method used to

activate the expression of all genes in a biochemical pathway
block the expression of virus coat protein genes
reduce or eliminate the expression of individual genes
eliminate the expression of all genes in a biochemical pathway

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