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5-6 Notes: Biotechnology

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Title: Biotechnology Notes Author: ashleelightle Last modified by: Ashlee Baker Created Date: 11/21/2014 3:24:45 AM Document presentation format: On-screen Show (4:3) – PowerPoint PPT presentation

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Title: 5-6 Notes: Biotechnology


1
5-6 Notes Biotechnology
  • Chapter 9

2
Gene Therapy
  • Gene Therapy - the replacement of faulty genes in
    humans

3
Gene Therapy
  • Gene Therapy - the replacement of faulty genes in
    humans
  • Attempts to replace defective or missing genes or
    add new genes to treat a disease.

4
Gene Therapy
  • Diseases currently Treated with Gene Therapy
  • Cystic fibrosis
  • Hemophilia
  • Cancer

5
Biotechnology
  • Scientist change an organisms DNA to give it new
    traits.
  • Possible because all organisms have the same
    Genetic Code

6
What are the benefits?
  • Medicines
  • Agriculture Advancements

7
Restriction Enzymes
  • Cuts DNA
  • Act like molecular scissors
  • Lets scientist take out and insert a new gene

8
Genetic Engineering
  • Restriction enzymes cut out a specific gene
  • Gene is inserted into new organism

9
Transgenic Organism (Genetically Modified
Organism)
  • Has one or more foreign genes inserted in its
    DNA

10
Example Transgenic Organism
  • Transgenic bacteria used to make insulin

11
Example Transgenic Organism
  • Transgenic bacteria used to make insulin
  • Human insulin gene is cut out of human DNA

12
Example Transgenic Organism
  • Transgenic bacteria used to make insulin
  • Human insulin gene is cut out of human DNA
  • Insulin inserted into Bacteria DNA

13
Example Transgenic Organism
  • Transgenic bacteria used to make insulin
  • Human insulin gene is cut out of human DNA
  • Insulin inserted into Bacteria DNA
  • Bacteria makes the Human protein the gene coded
    for

14
Uses of Transgenic Organisms
  • Transgenic plants used in agriculture

15
Uses of Transgenic Organisms
  • Transgenic plants used in agriculture
  • Creates crops resistant to frost, diseases,
    drought, and insects

16
Uses of Transgenic Organisms
  • Transgenic plants used in agriculture
  • Creates crops resistant to frost, diseases,
    drought, and insects
  • Food produced more quickly and cheaply

17
Uses of Transgenic Organisms
  • Medical Bacteria with human DNA make human
    proteins or vaccines
  • Corn with hepatitis vaccine inserted

18
Uses of Transgenic Organisms
  • Medical Bacteria with human DNA make human
    proteins or vaccines
  • Corn with hepatitis vaccine inserted
  • Bioremediation GM
  • bacteria that break down
  • oil, mercury, radioactive
  • waste etc.

19
Concerns about Genetic Engineering
  • possible long-term health effects of eating GM
    foods
  • possible effects of GM (genetically modified)
    plants on ecosystems and biodiversity
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