This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 3 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Restriction enzymes cut DNA to produce ..... ends or ..... ends. A) Sticky, blunt. B) Tapering, blunt. C) Staggered, dull. D) Sticky, Non-sticky. Show Answer Correct Answer: A) Sticky, blunt. 2. Mutations are a change in what? A) TRNA. B) DNA. C) Phenotype. D) Genotype. Show Answer Correct Answer: B) DNA. 3. DNA molecule segment is:TTACGCAAG The mutated DNA segment is TTACGCAAC. This is an example of ..... mutation. A) Insertion. B) Inversion. C) Substitution. D) Translocation. Show Answer Correct Answer: C) Substitution. 4. Who was Luther Burbank? A) An American botanist and the greatest selective plant breeder of all time. B) A biologist who cloned sheep. C) The first man to discover transgenic microorganisms. D) Creator of gel electrophoresis. Show Answer Correct Answer: A) An American botanist and the greatest selective plant breeder of all time. 5. Bringing together genetic material from multiple organisms, creating a new sequence that would not be found in any of the original organisms. A) Selective Breeding. B) Gene Therapy. C) Cloning. D) Gene Splicing. Show Answer Correct Answer: D) Gene Splicing. 6. What DNA molecule can carry foreign DNA sequence into a host cell? A) Vector. B) Intron. C) Exon. D) None of above. Show Answer Correct Answer: A) Vector. 7. Which of the following have scientists or farmers used selective breeding on? A) Zebras. B) Donkeys. C) Corn. D) All of these. Show Answer Correct Answer: D) All of these. 8. What enables scientists to make multiple copies of DNA? A) Mutations. B) Transformation . C) Polymerase chain reaction. D) Gel electrophoresis. Show Answer Correct Answer: C) Polymerase chain reaction. 9. THE METHOD OF JOINING IN TWO OR MORE DNA MOLECULES TO CREATE A HYBRID A) GENES. B) RECOMBINANT DNA. C) HYBRID. D) CLONING. Show Answer Correct Answer: B) RECOMBINANT DNA. 10. The process that has been used for centruries to create purebred animals such as black labs is called A) Recombinant DNA. B) Cloning. C) Selective breeding. D) None of above. Show Answer Correct Answer: C) Selective breeding. 11. EcoR1 always forms sticky ends at the following base sequence A) GGATTC. B) GAAATC. C) GAATTC. D) GAATTG. Show Answer Correct Answer: C) GAATTC. 12. What can be assumed about the development of genetic technology? A) It will continue to develop regardless of ethics. B) It will stop developing if it becomes an option for expecting parents. C) It will only develop if it becomes an option for expecting parents. D) It will only develop if it becomes extremely costly. Show Answer Correct Answer: A) It will continue to develop regardless of ethics. 13. In RNA the base T is replaced with A) A. B) G. C) U. D) C. Show Answer Correct Answer: C) U. 14. The name of the gene editing tool was called A) GMOs. B) Eugenics. C) CRISPR. D) DNA. Show Answer Correct Answer: C) CRISPR. 15. What are the ethical implications of genetic engineering? A) The ethical implications of genetic engineering include concerns about playing God, potential harm to the environment, unequal access to genetic enhancements, and the potential for creating a genetic underclass. B) Genetic engineering can only have positive ethical implications. C) Genetic engineering has no ethical implications. D) The ethical implications of genetic engineering are exaggerated. Show Answer Correct Answer: A) The ethical implications of genetic engineering include concerns about playing God, potential harm to the environment, unequal access to genetic enhancements, and the potential for creating a genetic underclass. 16. What is the process driven by human intervention to develop new organisms with desirable characteristics? A) Trait. B) Genetic Disorder. C) Natural Selection. D) Artificial Selection. Show Answer Correct Answer: D) Artificial Selection. 17. Why is the genetically modified plasmid added into a bacterial cell? A) To reproduce slowly. B) It looks good. C) It is the only cell that fits. D) To reproduce rapidly. Show Answer Correct Answer: D) To reproduce rapidly. 18. Plants or animals that contain recombinant DNA are called ..... A) Knockouts. B) Clones. C) Transgenic. D) Plasmids. Show Answer Correct Answer: C) Transgenic. 19. Cutting certain genes out of molecules of DNA requires the use of A) Reverse transcriptase. B) DNA polymerase. C) Restriction endonuclease. D) DNA ligase. Show Answer Correct Answer: C) Restriction endonuclease. 20. What is one of the challenges in genetic engineering? A) Ensuring the safety of genetic engineering techniques and products. B) Addressing public concerns and building trust. C) Striking a balance between benefits and risks. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. How do restriction enzymes "know" where to cut DNA A) A specific sequence of nucleotides. B) They cut randomly. C) Distance from the centromere. D) None of above. Show Answer Correct Answer: A) A specific sequence of nucleotides. 22. An argument in favor of food biotechnology is that it A) Biotech foods are not controversial. B) Provides a cash crop for low income nations. C) Provides foods that cure disease. D) Provides more food to feed a growing population. Show Answer Correct Answer: D) Provides more food to feed a growing population. 23. Genetically engineered crop plants can benefit farmers by ..... A) Reducing the amount of land that is required to grow them. B) Introducing chemicals into the environment. C) Increasing an animal's resistance to antibiotics. D) Changing the the genomes of other crop plants. Show Answer Correct Answer: A) Reducing the amount of land that is required to grow them. 24. Original:ATC CAT Mutation:ATC GCAT What mutation occurred? A) Transverse. B) Silent. C) Deletion. D) Insertion. Show Answer Correct Answer: D) Insertion. 25. What percent of corn is genetically engineered in the United States? A) 10%. B) 100%. C) 34%. D) 88%. Show Answer Correct Answer: D) 88%. 26. Organisms that contain genes from a different organism are called- A) Cloned. B) Restricted. C) Recombinant. D) Transgenic. Show Answer Correct Answer: D) Transgenic. 27. What's the importance of marker genes? A) It helps to identify transformed bacteria that have taken up the desired gene. B) It helps identify bacteria that have been ligated. C) It helps identify transformed bacteria that are antibiotic resistant. D) It helps identify transformed bacteria that contain plasmids. Show Answer Correct Answer: A) It helps to identify transformed bacteria that have taken up the desired gene. 28. In which field is genetic engineering used to create genetically modified organisms (GMOs)? A) Biotechnology. B) Research. C) Medicine. D) Agriculture. Show Answer Correct Answer: D) Agriculture. 29. Debating whether or not we should do certain things in biology is called ..... A) Politics. B) Cloning. C) Bioethics. D) Gene therapy. Show Answer Correct Answer: C) Bioethics. 30. Some genetic disorders, such as Down Syndrome, are due to A) Genetic engineering. B) A ribosome. C) A DNA fingerprint. D) A mutation. Show Answer Correct Answer: D) A mutation. ← PreviousNext →Related QuizzesBiotechnology QuizzesAgriculture QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 2Genetic 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