Gel photo of PCR amplification to detect GMO or transgenes in food PCR GMO gel electrophoresis DNA bands molecular sieve ethidium bromide uv light box.
In the early days of DNA manipulation, DNA fragments were laboriously separated by gravity. In the 1970s, the powerful tool of DNA gel electrophoresis was developed.
New York high school students perform the Alu polymorphism lab then interview Prof. Larry Kobilinsky at John Jay College of Criminal Justice about DNA fingerprinting.
New York high school students interview Dr. Scott Lowe of Memorial Sloan-Kettering Cancer Center about using restriction enzyme analysis in cancer research, then perform the experiment.