This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 18 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. "Sticky-ends" are DNA strands with: A) Single-stranded ends. B) Ends cut flat by an enzyme. C) No way to be recombined. D) None of above. Show Answer Correct Answer: A) Single-stranded ends. 2. What is the role of ligase enzymes in genetic engineering? A) To isolate human genes. B) To cut open plasmid DNA. C) To join human DNA with plasmid DNA. D) To insert plasmids into bacteria. Show Answer Correct Answer: C) To join human DNA with plasmid DNA. 3. A relatively new technology that allows scientists to more precisely edit genes by using a natural process found in bacterial mRNA is called ..... A) CRISPR. B) Recombinant DNA. C) Transgenics. D) Cloning. Show Answer Correct Answer: A) CRISPR. 4. These building blocks consist of a sugar, phosphate, and nitrogen base. A) Ribose. B) Protein. C) Nucleotide. D) Gene. Show Answer Correct Answer: C) Nucleotide. 5. Organisms that have had DNA from other organisms inserted into their DNA to produce certain traits are called: A) Plasmids. B) Recombinant organisms. C) Clones. D) Transgenic organisms. Show Answer Correct Answer: D) Transgenic organisms. 6. What is a product of anaerobic respiration in yeast? A) Fruit juice. B) Human insulin. C) Biological washing powders. D) Ethanol. Show Answer Correct Answer: D) Ethanol. 7. Why are GMO foods psychologically less accepted by humans? A) They taste worse. B) This statement is incorrect and GMO foods are, actually, MORE accepted by humans. C) They are more expensive. D) They are considered unnatural. Show Answer Correct Answer: D) They are considered unnatural. 8. Below are the stages involved in genetic engineering. Put these stages into the correct order. A-Insert plasmid into host cell. B-Extract required gene. C-Allow the modified cell to reproduce and produce the required protein. D-Identify the required gene. E-Insert required gene into the bacterial plasmid. A) D, B, E, A, C. B) B, D, A, E, C. C) B, D, E, A, C. D) D, B, A, E, C. Show Answer Correct Answer: A) D, B, E, A, C. 9. Enzymes are used in moving sections of DNA that code forinsulin from the pancreas cells of humans into a certain type ofbacterial cell. This bacterial cell will reproduce, giving rise tooffspring that are able to form A) A new type of insulin. B) Antibodies against insulin. C) Human insulin. D) Enzymes that digest insulin. Show Answer Correct Answer: C) Human insulin. 10. What letters represent the four bases? A) A, B, C, D. B) A, C, G, T. C) W, X, Y, Z. D) DNA. Show Answer Correct Answer: B) A, C, G, T. 11. If a person has type A blood, the phenotype is A. What can the genotype be? A) Ii. B) IAIA or IAi. C) IAIB. D) IBIB or IBi. Show Answer Correct Answer: B) IAIA or IAi. 12. Which of the following disorders is a direct result of nondisjunction? A) Sickle cell disease. B) Huntington's disease. C) Cystic fibrosis. D) Turner's syndrome. Show Answer Correct Answer: D) Turner's syndrome. 13. The goal is to produce plants and animals with improved genetic characteristics. A) Selective breeding. B) Genetic engineering. C) Both. D) None of above. Show Answer Correct Answer: C) Both. 14. If I wanted to look at DNA to study evolution, I am using what evidence? A) Embryology. B) Comparative anatomy. C) Fossil record. D) Molecular. Show Answer Correct Answer: D) Molecular. 15. Which of the following is an example of discontinuous variation? A) Weight. B) Blood type. C) Height. D) Hand span. Show Answer Correct Answer: B) Blood type. 16. Humans have experimented with genetic engineering ..... A) A long time. B) Only recently. C) Only in science fiction novels. D) None of above. Show Answer Correct Answer: A) A long time. 17. Which of the following is a protein that acts as DNA scissors? A) Protein expression. B) Restriction enzyme. C) Ligase. D) Plasmid. Show Answer Correct Answer: B) Restriction enzyme. 18. Complete transcription for the following DNA strand:DNA:C T T A G G A C A) U A G A C C G U. B) G A A U C C U G. C) C T T A G G A C. D) G A A T C C T G. Show Answer Correct Answer: B) G A A U C C U G. 19. A technique that places a gene into a cell to correct a hereditary disease. A) Mutation. B) Genetic Engineering. C) Artificial Selection. D) Gene Therapy. Show Answer Correct Answer: D) Gene Therapy. 20. What are the risks of genetic engineering? A) Immune response to foreign proteins. B) All of the above. C) Accidental cutting of important genes. D) Unknown effects on gene interactions. Show Answer Correct Answer: B) All of the above. 21. GMO crops have been engineered to A) Be drought resistent. B) Be insect resistant. C) Be disease resistant. D) All of these. Show Answer Correct Answer: D) All of these. 22. Insertion of human DNA into bacterial plasmid DNA to form a ..... A) Recombinant plasmid. B) Enzyme. C) Proteins. D) Gene. Show Answer Correct Answer: A) Recombinant plasmid. 23. A chromosome is found to be shorter than it's homologous match. Which type of mutation would this most likely be? A) Deletion. B) Inversion. C) Insertion. D) Translocation. Show Answer Correct Answer: A) Deletion. 24. What is the enzyme that acts like scissors in genetic engineering? A) Plasmid. B) Ligase. C) Restriction enzyme. D) Recombinant DNA. Show Answer Correct Answer: C) Restriction enzyme. 25. Genetic engineering DNA made by putting genes from one species into the cells of another A) Heterozygote. B) Homozygous. C) Clone. D) Recombinant DNA. Show Answer Correct Answer: D) Recombinant DNA. 26. Which of the following is an example of a genetically engineered organism? A) A plant that received external DNA to produce natural insecticides. B) A new plant variety created as a result of mutation. C) Seedless fruits resulting from spraying the flowers with chemicals. D) A plant that naturally possesses medicinal properties. Show Answer Correct Answer: A) A plant that received external DNA to produce natural insecticides. 27. The purpose of the human genome project was to A) Breed organisms for desired traits. B) Cure human diseases. C) Complete gel electrophoresis. D) Analyze the human DNA sequence. Show Answer Correct Answer: D) Analyze the human DNA sequence. 28. Where do restriction enzymes cut DNA? A) In the middle of a gene. B) At a palindromic DNA sequence. C) At a civic DNA sequence. D) At random locations along a gene. Show Answer Correct Answer: B) At a palindromic DNA sequence. 29. What is made during translation? A) Transfer RNA. B) Spanish Rice. C) Messenger RNA. D) Proteins. Show Answer Correct Answer: D) Proteins. 30. Select the advantages of selective breeding. A) Plants and animals can grow faster. B) Time sensitive. C) Expensive. D) Requires several generations to produce offspring with desired characteristics. Show Answer Correct Answer: A) Plants and animals can grow faster. ← PreviousNext →Related QuizzesBiotechnology QuizzesAgriculture QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 2Genetic Engineering Quiz 3Genetic Engineering Quiz 4Genetic Engineering Quiz 5Genetic Engineering Quiz 6Genetic Engineering Quiz 7Genetic Engineering Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books