• Methods of biotechnology can be used for many practical purposes.
  • They are used widely in both medicine and agriculture.
  • Bacteria can be genetically engineered to produce a human protein.
  • Biotechnology has been used to create transgenic crops.
  • Transgenic crops are genetically modified with new genes that code for traits useful to humans.
  • Scientists have created a transgenic purple tomato that contains a cancer-fighting compound and others that have high levels of antioxidants.
  • The new field of synthetic biology is making biology easier to engineer so new functions can be derived from living systems.
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