This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 102 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 102 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sticky ends are ..... different DNA molecules A) 1. B) 2. C) 3. D) None of above. Show Answer Correct Answer: B) 2. 2. ..... is used to combine the isolated gene into the plasmid DNA A) Ligase. B) Enzymes. C) Velcro. D) Molecular glue. Show Answer Correct Answer: A) Ligase. 3. 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. 4. 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. 5. Crossing dissimilar individuals for desired traits A) Hybridization. B) Inbreeding. C) Radiation. D) Polyploidy. Show Answer Correct Answer: A) Hybridization. 6. 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. 7. When farmers breed specific plants to produce fruits with specific traits A) Natural Selection. B) Selective Breeding. Show Answer Correct Answer: B) Selective Breeding. 8. Which of the following subjects would someone most likely study if he or she wanted to work in the biotechnology field? A) Chemistry. B) Genetics. C) Physics. D) Environmental Science. Show Answer Correct Answer: B) Genetics. 9. Artificially made DNA from 2 or more different sources is known as ..... A) Polymerase chain reaction. B) Personal genome sequencing. C) Recombinant DNA. D) Gene therapy. Show Answer Correct Answer: C) Recombinant DNA. 10. What is another term for genetically modified organism (GMO)? A) Transgenic organism. B) Cisgenic organism. C) Mutant organism. D) Cloned organism. Show Answer Correct Answer: A) Transgenic organism. 11. What is a benefit of inbreeding mentioned in the text? A) Offspring tend to be weaker than either parent. B) Offspring tend to be stronger than either parent. C) Offspring have more genetic diversity. D) Offspring are less susceptible to diseases. Show Answer Correct Answer: B) Offspring tend to be stronger than either parent. 12. Choose the letter combination that represents a recessive trait. A) AA. B) Aa. C) Aa. D) AA. Show Answer Correct Answer: B) Aa. 13. Corn is one of the most genetically modified crop. A) True. B) False. Show Answer Correct Answer: A) True. 14. 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. 15. 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. 16. What is the role of a restriction enzyme in genetic engineering? A) To dissolve blood clots. B) To clean up toxic waste. C) To produce insulin. D) To cut DNA at particular sequences. Show Answer Correct Answer: D) To cut DNA at particular sequences. 17. The "rungs" of the DNA ladder are A) Pairs of sugars. B) A set of proteins. C) Pairs of phosphates. D) Pairs of bases. Show Answer Correct Answer: D) Pairs of bases. 18. 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. 19. 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) Genetic Disorder. C) Vaccine. D) Covid 19. Show Answer Correct Answer: B) Genetic Disorder. 20. Which statement best explains why clones produced from the same organism may not be identical? A) Events in meiosis result in variations. B) Half of the genetic information comes from each parent. C) Differentiated cells have different genes. D) Gene expression can be influenced by the environment. Show Answer Correct Answer: D) Gene expression can be influenced by the environment. ← PreviousNext →Related QuizzesBiotechnology 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books