This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 68 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 68 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The alternative selectable marker ..... and chromogenic substrate ..... that selects recombinants on the basis of their ability to produce colour are: A) LacZ gene, X-gal. B) $\alpha$-galactosidase and X-gal. C) Amp R gene and X-gal. D) $\beta$-galactosidase and X-gal. Show Answer Correct Answer: A) LacZ gene, X-gal. 2. Which year the new National Bioengineered Food Disclosure the new rules, all foods containing genetically engineered ingredients will be labeled as "derived from bioengineering" or "bioengineered." A) January 1, 1997. B) January 1, 1998. C) January 1, 1999. D) January 1, 2020. Show Answer Correct Answer: D) January 1, 2020. 3. Using genetic engineering to treat or cure diseases is called: A) Bacterial transformation. B) Selective breeding. C) Gene therapy. D) Alternative medicine. Show Answer Correct Answer: C) Gene therapy. 4. A ..... is wrapped around proteins to form a ..... thread. When this condenses further during cell division, it is known as a ..... A) Chromatin; chromosome; DNA molecule. B) Chromatin; DNA molecule; chromosome. C) DNA molecule; chromatin; chromosome. D) DNA molecule; chromosome; chromatin. Show Answer Correct Answer: C) DNA molecule; chromatin; chromosome. 5. Which organisms are used to manufacture human insulin? A) Algae. B) Amoebas. C) Bacteria. D) Protozoans. Show Answer Correct Answer: C) Bacteria. 6. If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is ..... compared to the cell. A) Hypertonic. B) Hypotonic. C) Isotonic. D) None of above. Show Answer Correct Answer: A) Hypertonic. 7. Programming cells that have no job to treat diseases is A) Cloning. B) Genetically modified foods. C) Stem cell therapy. D) Selective breeding. Show Answer Correct Answer: C) Stem cell therapy. 8. What is the term for a three-nucleotide sequence that codes for an amino acid? A) Base. B) Codon. C) Amine. D) Serine. Show Answer Correct Answer: B) Codon. 9. What does Cas9 protein do? A) Binds with the targeted DNA sequence to be cut out. B) Turns on a gene. C) Cuts out a targeted region of DNA to turn off a gene. D) Puts in a new gene where the old was cut out. Show Answer Correct Answer: C) Cuts out a targeted region of DNA to turn off a gene. 10. A form of evolution controlled by humans A) Selective breeding. B) Genetic engineering. C) Hybridization. D) Inbreeding. Show Answer Correct Answer: A) Selective breeding. 11. What is a potential concern regarding GM crops? A) Increased nutritional value. B) Enhanced taste and flavor. C) Harmful effects on insects and wildflowers. D) Improved resistance to herbicides. Show Answer Correct Answer: C) Harmful effects on insects and wildflowers. 12. How was the bacteria changed to make insulin? A) They attached a piece of human insulin to the bacteria. B) They attached a new gene to the DNA. Show Answer Correct Answer: A) They attached a piece of human insulin to the bacteria. 13. Commercially raising fish for humans to eat A) Commercial Fishing. B) Fish Farming. C) Commercially Extinct. D) Survival. Show Answer Correct Answer: B) Fish Farming. 14. Which one of the following statements is an accurate description of genes? A) DNA is made of carbohydrates that code for genes. B) Genes are made of DNA and code for proteins. C) Genes are made of proteins that code for nitrogen bases. D) Proteins are made of genes and code for DNA. Show Answer Correct Answer: B) Genes are made of DNA and code for proteins. 15. The function of DNA polymerase is to A) Bind the DNA backbone together. B) Cut DNA at a specific location. C) Unzip the DNA double helix. D) Add nucleotides to build a DNA strand. Show Answer Correct Answer: D) Add nucleotides to build a DNA strand. 16. Polymerase chain reaction (PCR) A) When bacterial cells take up recombinant DNA. B) New DNA with DNA from another source. C) When bacteria copy the recombinant DNA along with their own DNA. D) Makes millions of copies of a specific DNA fragment. Show Answer Correct Answer: D) Makes millions of copies of a specific DNA fragment. 17. What is the relationship between proteins and traits? A) Proteins carry the genetic information that is responsible for traits. B) Traits control protein expression. C) Proteins produced by expression of genes result in traits. D) None of above. Show Answer Correct Answer: C) Proteins produced by expression of genes result in traits. 18. The work of scientists including Griffin, Avery, Hershey & Chase, and Franklin helped us to determine that ..... are responsible for carrying genetic material. A) Amino Acids. B) Proteins. C) Nucleic Acids. D) Carbohydrates. Show Answer Correct Answer: C) Nucleic Acids. 19. Problems with selective breeding include A) Better animals. B) More Meat. C) Animals can have bad health problems. D) More diversity. Show Answer Correct Answer: C) Animals can have bad health problems. 20. Because nucleic acids and genetic mechanisms are universal, it is possible to make ..... Using basic genetic engineering techniques, a gene from one species can be inserted into cells from another organism. A) Transgenic organisms. B) Transgenic enzymes. C) Transgenic species. D) Crossover organisms. Show Answer Correct Answer: A) Transgenic organisms. ← PreviousNext →Related QuizzesBiotechnology QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 2Genetic Engineering Quiz 3Genetic Engineering Quiz 4Genetic Engineering Quiz 5Genetic Engineering Quiz 6Genetic Engineering Quiz 7Genetic Engineering Quiz 8Genetic Engineering Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books