Tiny amounts of DNA from a crime scene, a blood sample, a semen stain, etc., can be amplified by PCR, cut by restriction enzymes, and compared after electrophoresis. These techniques make it possible to identify rapists, fathers in disputed parternity suits, elephant tusks from protected herds, and many, many more forensic applications. Work through a sample problem at Cold Spring Harbor Laboratory to see how this technique can be used to resolve questions of identity. Bioengineered products for medicinal use . 63 such products are currently available for sale, including products to treat heart attack, stroke, breast cancer, multiple sclerosis, and many more.
Clinical trials are currently in process for several such treatments.
The gene for this protein has been moved from bacteria into corn, making insect-resistant corn. Roundup TM , a powerful herbicide, can then be used to kill all weeds, without affecting the crop. Would allow crop plants to be grown in many areas not currently suitable for cultivation because of salt. Better storage and taste. Basic research .