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Genetic Engineering. We can use a process called gel electrophoresis to separate the pieces.

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Presentation on theme: "Genetic Engineering. We can use a process called gel electrophoresis to separate the pieces."— Presentation transcript:

1 Genetic Engineering

2 We can use a process called gel electrophoresis to separate the pieces

3 Figure 20.x1a Laboratory worker reviewing DNA band pattern

4 Gel Electrophoresis Moves DNA because it is negative Separates DNA fragments based on size The smaller the fragment the farther it will move Can compare DNA from individuals

5 Gel Electrophoresis

6 Figure 20.17 DNA fingerprints from a murder case

7 Figure 20.9 Using restriction fragment patterns to distinguish DNA from different alleles

8 Recombinant DNA When a piece of foreign DNA (in purple) is added to a bacterial plasmid (a circular piece of DNA in bacteria), the end result is known as recombinant DNA

9 How to make recombinant DNA: take a gene (piece of DNA) from a human cell and combine it with a plasmid from a bacteria using restriction enzymes.

10 Recombinant DNA: making plants glow


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