Chapter 18 : Cures
In 1972 Paul Berg made the first man-mad recombinant DNA using restriction enzymes and ligase. Afterwards there were many experiments that uses recombinant DNA in which a retrovirus would be stripped of its infectious genes and replaces with a desired gene. It is then injected into the body in order to cure diseases such as SCID, hemophilia, cystic fibrosis, and cancer through gene therapy. Ridley then wonders about of the possibilities of human cloning with genetic improvement through use of embryonic stem cells and recombinant DNA.
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