Genentech's Nutropin is approved for the treatment of growth hormone deficiency. The first breast cancer gene is discovered. Calgene's Flavr Savr tomato, engineered to resist rotting, is approved for sale. The first full gene sequence of a living organism other than a virus is completed for the bacterium Hemophilus influenzae. Biogen's Avonex is approved for the treatment of multiple sclerosis.
Scottish scientists clone identical lambs from early embryonic sheep.
1997 Scottish scientists report cloning a sheep using DNA from adult sheep cells. A group of Oregon researchers claims to have cloned two Rhesus monkeys. A new DNA technique combines PCR, DNA chips and a computer program providing a new tool in the search for disease-causing genes. University of Hawaii scientists clone three generations of mice from nuclei of adult ovarian cumulus cells. Embryonic stem cells can be used to regenerate tissue and create disorders mimicking diseases.