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6.4 Manipulating the Genome

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Presentation on theme: "6.4 Manipulating the Genome"— Presentation transcript:

1 6.4 Manipulating the Genome
Pages

2 Genetic Engineering Bacteria producing insulin Round-up ready crops
Inserting foreign genes into organisms, especially food, to improve the species.

3 Restriction enzymes A molecule that can cut DNA at a specific site

4 Recombinant DNA Making DNA that doesn’t already exist in nature.
A fragment of DNA consisting of nucleotide sequences from at least two different sources.

5 Example Antifreeze gene from an arctic cod is added to a plant

6 Spider silk Spider silk is 5x stronger than steel, 2x as strong as kevlar, waterproof, ductile, stretches 30% more elastic than nylon. The gene for producing spider silk is being inserted into plants and even goats!

7 Bt corn Bt corn has a gene added from Bacillus thuringiensis (Bt) that makes natural pesticides.

8 Issues Escape of gene into other plants?
Possible allergic reactions to new corn? Diversity of corn decreases if most farmers choose to plant this variety?


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