Genetic Engineering: Recombinant DNA
Recombinant DNA 05/15
Integrated Science 4 Name: Per:
Background
Genetic Engineering: Transferring DNA Between Organisms. Read and highlight the information below. Based on your reading, define the terms on the left:
Genetic engineering:
Recombinant DNA:
Plasmid:
Virus:
Target gene:
Restriction enzyme:
Recognition site:
Sticky ends:
Ligase:
Procedure: Plasmid Engineering
Your assignment is to model the technique used to combine pieces of DNA. You will form a new plasmid that contains a piece of foreign DNA. The new plasmid is called recombinant DNA. A new segment of DNA can be attached to a plasmid only if its exposed bases (sticky ends) are complimentary to the exposed base on the DNA of the plasmid. The plasmids represented on the page titled Plasmid Engineering have been chemically cut by restriction enzymes at the nucleotides indicated by dashed lines. Your assignment is to complete the genetic engineering process.
1. Cut out the figures on the bottom of the page titled Plasmid Engineering.
2. Label the blank boxes in Segments A and B to show the base sequence necessary to attach them to the complementary plasmid.
3. Use glue or tape to attach the DNA segments to the corresponding plasmids. Show your teacher.
Analysis and Conclusion
• Consider the Introduction, your work with Plasmid Engineering, and the diagram below to answer the questions that follow.
1. What is being produced in the diagram?
2. Briefly describe the process shown in the diagram. Use and underline the following terms: plasmid, restriction enzyme, recognition site, target gene, sticky ends, ligase.
3. Describe what happens to the donor DNA once it is in the bacterial cell.
4. Discuss the actual applications of this technology in the fields of medicine and agriculture (in other words, why has the donor DNA been inserted?).
• Refer to the figure below to answer the following questions.
6. Explain why this segment is considered mutated.
7. Identify the plasmid and draw in the sticky ends to which the mutated gene would attach. Explain how the mutated segment might influence the result of the recombinant DNA.
Plasmid Engineering:
Cut Along Line
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VE #22
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