Genetic engineering

• What is genetic engineering?

  The transfer of a piece of DNA from one organism to another.
• Another name for genetic engineering?

  Genetic modification
• Genetic engineering can only be done between 2 organisms of the same species?

  False
• Sheep have been genetically engineered to produce drugs in their milk.
• Bacteria has been genetically engineered to produce human insulin.
• Traits that could have been altered by genetic engineering in crops?

  Increased yield.

  Increased quantity.

  Disease resistance.

  Insect resistant.

  Drought resistance.
• What is gene therapy?

  The treatment of an inherited disorder by giving the patient a healthy copy of the faulty gene.
• What disorder can be treated with gene therapy?

  Cystic fibrosis
• What are the drawbacks of genetic engineering?

  Small risk genetically modified food could negatively affect our health.

  If crops bred with wild plants they could spread new genes and affect gene pool.
• Genetic engineering for human insulin?

  1.isolate the insulin gene from human DNA.

  2.Insert the DNA into a vector, such as a plasmid.

  3.Insert the plasmid into a host bacterium.

  4.Let bacteria divide and produce the insulin protein.
• What is the name of the small circles of DNA that are genetically modified in bacteria?

  Plasmids