This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 67 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 67 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If methods are based on cellular processes that lead to inactivation of gene expression by affecting the RNA, then it is called as ..... ? A) Translational. B) Pre-transcriptional. C) Post-transcriptional. D) Transcriptional. Show Answer Correct Answer: C) Post-transcriptional. 2. What is the order of the steps that is used to manipulate DNA? A) Make copies, identify, cut, extract. B) Extract, make copies, identify, cut. C) Extract, cut, identify, make copies. D) Cut, extract, make copies, identify. Show Answer Correct Answer: C) Extract, cut, identify, make copies. 3. If transformation is successful, the ..... is integrated into one of the chromosomes of the cell. A) Recombinant DNA. B) Sticky end. C) Restriction enzyme. D) Enzymes. Show Answer Correct Answer: A) Recombinant DNA. 4. Scientists have adapted CRISPR to turn it into a biotechnology tool for ..... DNA. A) Editing. B) Building. C) Synthesizing. D) Destroying. Show Answer Correct Answer: A) Editing. 5. The human genome project is an attempt to A) Sequence the human genome. B) Cure genetic disease. C) Copy DNA. D) Sequence everyones DNA. Show Answer Correct Answer: A) Sequence the human genome. 6. Genetically modified organisms (GMO s) A) Making an exact genetic copy of an organism. B) Some crops can be developed to grow faster or to grow using less water. C) Some populations in nature may develop new traits that help them survive better in the wild due to this. D) The appearance or visual map of all chromosomes found in a cell. Show Answer Correct Answer: B) Some crops can be developed to grow faster or to grow using less water. 7. Organism, typically a biting insect or tick, that transmits a pathogen, disease, or parasite from one animal or plant to another. A) Nector. B) Cat. C) Vector. D) Lector. Show Answer Correct Answer: C) Vector. 8. Sticky ends are ..... different DNA molecules A) 1. B) 2. C) 3. D) None of above. Show Answer Correct Answer: B) 2. 9. ..... is used to combine the isolated gene into the plasmid DNA A) Velcro. B) Enzymes. C) Molecular glue. D) Ligase. Show Answer Correct Answer: D) Ligase. 10. Brown (B) is dominant over white (b). Which genotype is a purebred for brown fur? A) BB. B) Bb. C) Bb. D) All of the above. Show Answer Correct Answer: A) BB. 11. Selective breeding is a technique that is used to A) Give all organisms a chance to reproduce. B) Produce organisms from extinct species. C) Produce offspring with certain desirable traits. D) Keep farm crops free of all mutations. Show Answer Correct Answer: C) Produce offspring with certain desirable traits. 12. Crossing dissimilar individuals for desired traits A) Polyploidy. B) Inbreeding. C) Hybridization. D) Radiation. Show Answer Correct Answer: C) Hybridization. 13. Which bands move the furthest in gel electrophoresis and why? A) A-because the DNA fragments are the biggest. B) E-because the DNA fragments are the smallest compared to the others. C) E-because the DNA fragments are the largest compare dot all the others. D) A-because the DNA fragment are the smallest. Show Answer Correct Answer: B) E-because the DNA fragments are the smallest compared to the others. 14. When farmers breed specific plants to produce fruits with specific traits A) Selective Breeding. B) Natural Selection. Show Answer Correct Answer: A) Selective Breeding. 15. Which of the following subjects would someone most likely study if he or she wanted to work in the biotechnology field? A) Genetics. B) Chemistry. C) Environmental Science. D) Physics. Show Answer Correct Answer: A) Genetics. 16. Artificially made DNA from 2 or more different sources is known as ..... A) Gene therapy. B) Polymerase chain reaction. C) Personal genome sequencing. D) Recombinant DNA. Show Answer Correct Answer: D) Recombinant DNA. 17. What is another term for genetically modified organism (GMO)? A) Cisgenic organism. B) Mutant organism. C) Transgenic organism. D) Cloned organism. Show Answer Correct Answer: C) Transgenic organism. 18. What is a benefit of inbreeding mentioned in the text? A) Offspring tend to be stronger than either parent. B) Offspring tend to be weaker than either parent. C) Offspring are less susceptible to diseases. D) Offspring have more genetic diversity. Show Answer Correct Answer: A) Offspring tend to be stronger than either parent. 19. Choose the letter combination that represents a recessive trait. A) Aa. B) AA. C) AA. D) Aa. Show Answer Correct Answer: A) Aa. 20. Corn is one of the most genetically modified crop. A) False. B) True. Show Answer Correct Answer: B) True. 21. What happened to mice when live R strain was mixed with heat killed S strain? A) They lived. B) They died. C) The mice were changed. D) None of above. Show Answer Correct Answer: B) They died. 22. If you want to change an organism a lot in a short amount of time which method would be the best? A) Selective Breeding. B) Animal husbandry. C) Gene Therapy. D) Gene Modification. Show Answer Correct Answer: D) Gene Modification. 23. What is the role of a restriction enzyme in genetic engineering? A) To produce insulin. B) To dissolve blood clots. C) To cut DNA at particular sequences. D) To clean up toxic waste. Show Answer Correct Answer: C) To cut DNA at particular sequences. 24. The "rungs" of the DNA ladder are A) Pairs of phosphates. B) Pairs of bases. C) A set of proteins. D) Pairs of sugars. Show Answer Correct Answer: B) Pairs of bases. 25. Genetic variation is the difference in DNA among individuals. The number one source of genetic variation is mutations. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 26. Illnesses or disorders caused by an abnormal gene (Examples:Downs and Turner Syndrome-wrong number of chromosomes, Recessive traits-Sickle Cell Anemia, Cystic Fibrosis) A) Mutation. B) Covid 19. C) Vaccine. D) Genetic Disorder. Show Answer Correct Answer: D) Genetic Disorder. 27. Which statement best explains why clones produced from the same organism may not be identical? A) Gene expression can be influenced by the environment. B) Events in meiosis result in variations. C) Differentiated cells have different genes. D) Half of the genetic information comes from each parent. Show Answer Correct Answer: A) Gene expression can be influenced by the environment. 28. The process of creating a genetically identical copy of an organism or gene A) Gel electrophoresis. B) Cloning. C) Polymerase chain reaction. D) Restriction enzymes. Show Answer Correct Answer: B) Cloning. 29. A new variety of rice has been genetically modified to have vitamin A to prevent people from going blind. What word(s) below best describes this rice? A) Electrophoresis. B) DNA fingerprinting. C) Clone. D) G.M.O. Show Answer Correct Answer: D) G.M.O. 30. Gel electrophoresis is A) A process used to sort DNA molecules by size. B) Something you get from the doctor's office. C) Something you put in your hair. D) A manipulation of DNA done by scientists. Show Answer Correct Answer: A) A process used to sort DNA molecules by size. ← 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