This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 41 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Scientists took the DNA from a fish species that grows very quickly. They added that DNA to a salmon species so that the newly created salmon grow much more quickly. A) Selective breeding (also known as artificial selection). B) Gene Therapy. C) Gene Splicing (production of Transgenic / Genetically Modified Organisms). D) Cloning. Show Answer Correct Answer: C) Gene Splicing (production of Transgenic / Genetically Modified Organisms). 2. DD is an example of A) Homozygous recessive. B) Dominant. C) Homozygous dominant. D) Recessive. Show Answer Correct Answer: C) Homozygous dominant. 3. What does "hybrid" mean? A) The parents alleles are the same. B) The parents alleles are different. C) The parents alleles are false. D) None of above. Show Answer Correct Answer: C) The parents alleles are false. 4. At what temperature does the Anneal step of PCR occur? A) 94-96$^\circ$ C. B) 50-65$^\circ$ C. C) 72$^\circ$ C. D) Any temperature. Show Answer Correct Answer: B) 50-65$^\circ$ C. 5. Which of these is used in genetic engineering? A) Ligase. B) Lipase. Show Answer Correct Answer: A) Ligase. 6. Identify the DELETION mutation from the following DNA sequence:ATG CCA AAT A) ATG TCA AAT. B) ATG CCT AAA T. C) ATC CA AT. D) ATG CCA AAT. Show Answer Correct Answer: C) ATC CA AT. 7. The cell that able to receive recombinant DNA for cloning purpose known as A) Vector. B) Target DNA. C) Plasmid. D) Host cell. Show Answer Correct Answer: D) Host cell. 8. The site where restriction enzymes cut are a called: A) Cut sites. B) Restriction sites. C) Recognition sites. D) Cleave sites. Show Answer Correct Answer: B) Restriction sites. 9. The laboratory process that makes many copies of DNA A) PCR. B) Electrophoresis. C) Gene Therapy. D) None of above. Show Answer Correct Answer: A) PCR. 10. All organisms share the same genetic code.This means that bacteria can be used to ..... A) Improve the health of the digestive system. B) Manufacture biofuels in large quantities. C) Produce foods such as yoghurt and cheese. D) Make proteins using human DNA. Show Answer Correct Answer: D) Make proteins using human DNA. 11. What is a gene A) A section of DNA that codes for a trait. B) A pair of pants that are made of denim. C) The whole entire chromosome found in the nucleus. D) None of above. Show Answer Correct Answer: A) A section of DNA that codes for a trait. 12. The purpose of GM crops generally include resistance to except ..... A) All insects. B) Diseases. C) Environmental conditions. D) Chemical treatments. Show Answer Correct Answer: A) All insects. 13. DNA produced by combining DNA from different sources A) Recombinant DNA. B) Transgenic organism. C) Gel electrophoresis. D) Mutation. Show Answer Correct Answer: A) Recombinant DNA. 14. Before genetic engineering, how did people get insulin for patients with diabetes? A) From ducks. B) From donkeys. C) From cows. D) From farts. Show Answer Correct Answer: C) From cows. 15. Which of the following scientists or farmers have used selective breeding? A) Only zebras. B) Solo burros. C) Just corn. D) All these answers. Show Answer Correct Answer: D) All these answers. 16. Where can you find the principal DNA chain? A) Ribosome. B) Membrane. C) Nucleus. D) Golgi apparatus. Show Answer Correct Answer: C) Nucleus. 17. What is the fifth step in the transformation of a bacterium to produce human insulin A) Plasmid is then returned to bacterium and reproduces with donor gene in it. B) Plasmids will be cut with the same restriction enzyme used to cut the desired gene. C) Donor gene is then spliced or annealed into the plasmid using DNA ligase as the glue. D) None of above. Show Answer Correct Answer: A) Plasmid is then returned to bacterium and reproduces with donor gene in it. 18. This all is covered up when a dominant allele is present A) Recessive. B) Dominant. C) Incomplete dominance. D) Co-dominant. Show Answer Correct Answer: A) Recessive. 19. Restriction endonucleases will separate the two strands of DNA at the specific base sequence by 'cutting' the sugar-phosphate backbone in an uneven way to give ..... ends or straight across to give ..... ends A) Sticky, blunt. B) Sticky, non-sticky. C) Blunt, sticky. D) Blunt, non-blunt. Show Answer Correct Answer: A) Sticky, blunt. 20. ..... refers to an amplification process that produces genome using bacteria or bacteriophages as cloning agents. A) CDNA library. B) Genomic library. Show Answer Correct Answer: B) Genomic library. ← 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