Review Give two practical applications for transgenic plants and two for transgenic animals. b. Infer What might happen if genetically modifi ed fi sh were introduced into an aquaculture facility? 2. a. Review Name three uses for recombinant-DNA technology. b. Apply Concepts Medicines in the body interact with the body’s proteins. How might normal variations in your genes affect your response to different medicines? 3. a. Review List the steps in DNA fi ngerprinting. b. Infer Why is DNA fi nger- printing more accurate if the samples are cut with more than one restriction enzyme? 4. Using restriction enzymes and gel electrophoresis, write the steps of a protocol in which you test for the allele of a gene that causes a genetic disorder.