Genetic Engineering Quiz 87 (20 MCQs)

Quiz Instructions

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1. Cutting of bacterial plasmid DNA with the ..... forming complementary sticky ends

Correct Answer: A) Restriction enzymes,.

2. Foreign genes are inserted into a cell to make recombinant DNA during

Correct Answer: A) Transformation.

3. ..... DNA is created by using the ..... from a bacteria and splicing a section of DNA into it.

Correct Answer: A) Recombinant, plasmid.

4. Scientists can cut, copy and ..... DNA from one species to another.

Correct Answer: D) Paste.

5. The physical appearance of an organism is its .....

Correct Answer: C) Phenotype.

6. This scientist developed the polymerase chain reaction using an enzyme found in Yellowstone National Park.

Correct Answer: A) In a bubble.

7. Improve crop yields or crop quality, which may help .....

Correct Answer: A) To reduce hunger around the world.

8. What is the role of DNA ligase in gene splicing?

Correct Answer: C) Two different enzymes used in genetic engineering.

9. If host cells are ampicillin sensitive and are plated on a medium containing ampicillin

Correct Answer: B) Only cells that have taken up the plasmid containing ampicillin resistance gene can grow.

10. What is the process of genes from one organism being transferred into the DNA of another organism?

Correct Answer: A) Gene Therapy.

11. A mutation is any change in ..... to an organism.

Correct Answer: C) DNA base sequence.

12. What is the function of a primer?

Correct Answer: A) To identify the particular region of DNA to be copied by PCR.

13. When fragments of DNA are connected from different sources, this creates:

Correct Answer: C) Recombinant DNA.

14. The continued breeding of individuals with similar characteristics to maintain the derived characteristics of the species is .....

Correct Answer: B) Inbreeding.

15. What is the name of the sugar found in RNA?

Correct Answer: B) Ribose.

16. A single stranded piece of radioactively labeled DNA used to locate a specific gene is

Correct Answer: C) Nucleic acid probe.

17. If there are 24 G (guanine) bases, how many C (cytosine) should there be?

Correct Answer: B) 24.

18. How can genetic engineering help in medicine?

Correct Answer: A) It is used to mass produce insulin.

19. Once you have a gene, like vitamin A, you can now make .....

Correct Answer: A) Proteins.

20. Which of the following alleles is homozygous (purebred) recessive?

Correct Answer: A) Tt.