This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering – Quiz 45 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 45 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The doubling/tripling of the normal number of chromosomes. A) Polyploidy. B) Selective breeding. C) Hybridization. D) Inbreeding. Show Answer Correct Answer: A) Polyploidy. 2. Dolly the Sheep was the first animal to be cloned from an adult cell. A) True. B) False. Show Answer Correct Answer: B) False. 3. How can DNA fingerprints be used? A) Solving crimes. B) Paternitiy tests. C) Comparing related species. D) All of these. Show Answer Correct Answer: D) All of these. 4. Which of the following genotypes is homozygous recessive? A) RR. B) Rr. C) Rr. D) None of the Above. Show Answer Correct Answer: B) Rr. 5. What is a genetically modified organism (GMO)? A) An organism that has been altered using traditional breeding methods. B) An organism whose genetic material has been altered using genetic engineering techniques. C) An organism that has been altered using chemical pesticides. D) An organism that is naturally occurring in the environment. Show Answer Correct Answer: B) An organism whose genetic material has been altered using genetic engineering techniques. 6. The sequence of letters (bases) on DNA codes for the sequence of carbohydrates needed to build up protein molecules in living organisms. A) True. B) False. Show Answer Correct Answer: B) False. 7. What is an example of selective breeding? A) A purebred puppy. B) A rock. C) Medicine. D) A house. Show Answer Correct Answer: A) A purebred puppy. 8. What is the purpose of using ligase in genetic engineering? A) To make acid washed jeans. B) To produce growth hormone. C) To cut DNA at particular sequences. D) To help attach the sugar phosphate backbones of DNA fragments. Show Answer Correct Answer: D) To help attach the sugar phosphate backbones of DNA fragments. 9. Is this quote pro-genetic engineering or con?"If genetic engineering becomes something you can buy, then rich people will just be able to take advantage of it. A) Pro(support genetic engineering). B) Con(against genetic engineering). Show Answer Correct Answer: B) Con(against genetic engineering). 10. Selective breeding produces A) More offspring. B) Less offspring. C) Transgenic offspring. D) Desired traits in offspring. Show Answer Correct Answer: D) Desired traits in offspring. 11. Circular DNA found in a bacteria cell is called A) Therapy. B) Genome. C) Clone. D) Plasmid. Show Answer Correct Answer: D) Plasmid. 12. Why is insulin produced by genetic engineering more rapid in its action? A) It is similar to animal insulin. B) It has a shape that is exactly similar to that of natural human insulin. C) It has higher optimum temperature of activity. D) It is transported more rapidly by the blood to target sites. Show Answer Correct Answer: B) It has a shape that is exactly similar to that of natural human insulin. 13. A high school student hacks into her school's academic records database and changes the grades of fellow classmates. This is ..... A) Ethical Behavior. B) Unethical Behavior. Show Answer Correct Answer: B) Unethical Behavior. 14. People are worried about the long term effects of eating GMO food. GMO means A) Gene model organism. B) Genetically modified organism. C) Genetic middle organelle. D) Genome modified organism. Show Answer Correct Answer: B) Genetically modified organism. 15. What technique is used in pre-implantation genetic screening? A) Polymerase chain reaction. B) Array comparative genomic hybridization. C) Gene silencing. D) DNA microarray analysis. Show Answer Correct Answer: B) Array comparative genomic hybridization. 16. A technique that places a gene into a cell to correct a hereditary disease or to improve the genome A) Artificial Selection. B) Genetic Engineering. C) Genetically Modified Organism. D) Gene Therapy. Show Answer Correct Answer: D) Gene Therapy. 17. What is the purpose of pre-implantation genetic screening? A) To screen embryos for genetic disorders. B) To enhance physical attributes in embryos. C) To increase the intelligence of the embryo. D) To determine the gender of the embryo. Show Answer Correct Answer: A) To screen embryos for genetic disorders. 18. Which of the following means of genetic engineering would have the greatest impact on world hunger? A) Inserting human DNA into bacterial DNA for insulin production. B) Manipulating DNA in trees to require less water. C) Engineering crops for greater nutritional content. D) Modifying genes to achieve a desirable phenotype. Show Answer Correct Answer: C) Engineering crops for greater nutritional content. 19. What is the difference between mRNA and DNA? A) DNA is a double helix, mRNA is a single strand. B) DNA has deoxyribose sugar, and mRNA has ribose sugar. C) DNA uses Thymine, and mRNA uses Uracil. D) All of the above. Show Answer Correct Answer: D) All of the above. 20. How many bases are there in the human DNA? A) 3 million. B) 3 billion. C) 3 trillion. D) None of above. Show Answer Correct Answer: B) 3 billion. ← 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