This can help fight off viruses because it can find bad DNA and reject it. ... Restriction-fragment-length polymorphisms, or RFLP's, give lab geneticists another way of seeing human inheritance. ... You can also give better nutrition to and flavor to foods and give it the ability to fight off pest and diseases. ... Nucleic acid hybridization gives lab specialist a simple, direct way to use the DNA order of a gene as an exact test to detect and monitor that gene and what it is doing. By using biotechnology researchers can also identify someone if an unknown person if they ever died, l...

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