In the world of biotechnology and genetic engineering, what is a vector? A) A vector is a type of enzyme made by viruses, used to cut and splice DNA fragments. B) A vector is a plasmid or virus used to move foreign genes into desired host cells. Eliminate C) A vector is a type of gel used to move and separate DNA fragments for DNA fingerprints. D) A vector is a plasmid or virus used to perform the polymerase chain reaction and make copies of DNA.
