This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 23 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During electrophoresis, an electrical current must be present for DNA fragments to move throughout the gel. A) True. B) False. Show Answer Correct Answer: A) True. 2. What is the potential outcome of performing HGE on an unborn child? A) Genetic modification of every cell of the developing body. B) Development of chronic diseases in the unborn child. C) Passing on genetic modifications to further generations. D) Increased risk of mental characteristics at birth. Show Answer Correct Answer: A) Genetic modification of every cell of the developing body. 3. Which technique involves the DNA being cut out of one organism and put into another organism? A) Gel electrophoresis. B) Gene splicing. C) Cloning. D) Artificial selection. Show Answer Correct Answer: B) Gene splicing. 4. ..... involves changing a gene to treat a medical disease or disorder. A) Gene engineering. B) Gene editing. C) Gene therapy. D) Gene helping. Show Answer Correct Answer: C) Gene therapy. 5. TRUE / FALSE:Viruses are only harmful to human beings. A) TRUE:Viruses can cause a wide range of infections. B) FALSE:Scientists have discovered ways of using viruses as tools in reasearch. Show Answer Correct Answer: B) FALSE:Scientists have discovered ways of using viruses as tools in reasearch. 6. What type of bonds hold the two strands of DNA together? A) Hydrogen bonds. B) Covalent bonds. C) Dipole-Dipole bonds. D) Ionic bonds. Show Answer Correct Answer: A) Hydrogen bonds. 7. Which of the following best describes "bacterial transformation?" A) When a bacteria's genome is changed by adding new DNA to it. B) When a bacteria's genome is destroyed by a virus. C) When a bacteria's DNA is used by scientists to cure diseases. D) When a bacteria's DNA is used in the process of cloning. Show Answer Correct Answer: A) When a bacteria's genome is changed by adding new DNA to it. 8. What is the main purpose of genetic engineering? A) To create new forms of life. B) To alter or eliminate genes in living organisms. C) To study the sequence of nucleotides in DNA. D) To improve the production of food. Show Answer Correct Answer: B) To alter or eliminate genes in living organisms. 9. Recombinant DNA objective is ..... A) To give a new characteristic. B) To eliminate a characteristic. C) To give a manipulation. D) To eliminate a protein. Show Answer Correct Answer: A) To give a new characteristic. 10. Watson and Crick are known for ..... A) Discovering the DNA for the first time. B) Taking X-ray pictures of DNA. C) Building the DNA 3D-model. D) None of above. Show Answer Correct Answer: C) Building the DNA 3D-model. 11. Any change in the sequence of DNA is a A) Recombination. B) Mutation. C) Chromatin. D) Independent assortment. Show Answer Correct Answer: B) Mutation. 12. Some concerns with geneticallymodified foods include all EXCEPT for which of the following A) Development of antibiotic-resistant bacteria. B) Production of new allergens. C) Accidental cross-contamination. D) Accidental cross-pollination. Show Answer Correct Answer: C) Accidental cross-contamination. 13. Restriction Enzymes are ..... A) Proteins. B) DNA. C) Fats. D) Carbohydrates. Show Answer Correct Answer: A) Proteins. 14. What was the first mammal to be cloned? A) Sheep. B) Goat. C) Cow. D) Frog. Show Answer Correct Answer: A) Sheep. 15. According to the graphic in "Issue Overview:Gene editing", what does Cas9 do to a gene? A) It cuts the DNA in the right place, so it can then be fixed. B) It helps the DNA connect with the guide RNA, which will repair it. C) It decides which part of the DNA needs to be fixed. D) It helps to engineer a new sequence of DNA to fix the old one. Show Answer Correct Answer: A) It cuts the DNA in the right place, so it can then be fixed. 16. What is the purpose of using plasmids in genetic engineering? A) To make acid washed jeans. B) To produce proteins to dissolve blood clots. C) To clean up toxic waste. D) To move DNA into and out of cells easily. Show Answer Correct Answer: D) To move DNA into and out of cells easily. 17. Breeders can increase the genetic variation in a population by using A) Inbreeding. B) Mutations. C) Hybridization. D) None of above. Show Answer Correct Answer: C) Hybridization. 18. What nutrients are primary macronutrients for plants? A) Phosphorous, potassium, magnesium. B) Nitrogen, potassium, calcium. C) Nitrogen, phosphorous, potassium. D) None of above. Show Answer Correct Answer: C) Nitrogen, phosphorous, potassium. 19. The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ..... A) Species. B) Environmental Change. C) Adaptation. D) Variation. Show Answer Correct Answer: C) Adaptation. 20. ..... is a trait that can be "hidden" . A) A dominant trait. B) A recessive trait. C) Heredity. D) A Punnett Square. Show Answer Correct Answer: B) A recessive trait. ← PreviousNext →Related 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 9Genetic Engineering Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books