This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 25 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. There are multiple alleles for the ABO blood group. Why are only two of these alleles present in any one individual? A) Each parent contributes only one allele for the ABO blood group to the offspring. B) There are not enough nucleotides in a red blood cell to produce a third allele. C) Each allele in the ABO group must be dominant or recessive. D) Blood group alleles are not segregated during meiosis. Show Answer Correct Answer: A) Each parent contributes only one allele for the ABO blood group to the offspring. 2. An insulin gene is cut using the restriction enzyme, EcoRI. Sticky ends are produced. Choose the plasmid that will contain sticky ends complementary this cut insulin gene. A) Plasmid A cut by EcoRI. B) Plasmid B cut by EcoRII. C) Plasmid C cut by BamHI. D) Plasmid D cut by BamHII. Show Answer Correct Answer: A) Plasmid A cut by EcoRI. 3. What is an advantage of transgenic plants? A) Producing clones. B) Increased food supply. C) Using more pesticide. D) Studying the human genome. Show Answer Correct Answer: B) Increased food supply. 4. Which restriction enzyme listed below was isolated from E. coli bacteria? A) EcoRI. B) HindIII. C) Flag II. D) Small. Show Answer Correct Answer: A) EcoRI. 5. What is the process of creating an organism that is an exact genetic copy of another? A) Selective breeding. B) Gene splicing. C) Cloning. D) Artificial selection. Show Answer Correct Answer: C) Cloning. 6. Crops like potato, tomato, soybean and rice are currently being genetically engineered to obtain new strains with better nutritional qualities and increased yield A) Benefits. B) Risk. Show Answer Correct Answer: A) Benefits. 7. Which of the following techniques would scientists most likely use to understand the activity levels of hundreds of genes at once? A) DNA microarray. B) CRISPR. C) PCR. D) DNA Sequencing. Show Answer Correct Answer: A) DNA microarray. 8. The rules that we use to define behavior as "right" or "wrong" are called A) Rules for Better Living. B) Ethics. C) Good vs Evil. D) Gangsta Rules. Show Answer Correct Answer: B) Ethics. 9. Which of the following is not a nitrogen base found in DNA? A) Thymine. B) Uracil. C) Guanine. D) Adenine. Show Answer Correct Answer: B) Uracil. 10. What is the purpose of genetic engineering? A) To produce more milk or meat. B) To track toxic chemicals in the body. C) To treat genetic disorders in humans. D) To breed organisms with desired traits. Show Answer Correct Answer: C) To treat genetic disorders in humans. 11. PCR stands for A) Polymerase chain reaction. B) Polymerase coal reaction. C) Polymerase cloning reaction. D) None of above. Show Answer Correct Answer: A) Polymerase chain reaction. 12. What is produced by lactobacillus acidophilus and some other bacteria to turn milk into yogurt? A) Ethanol. B) Hydrogen. C) Propionic Acid. D) Lactic Acid. Show Answer Correct Answer: D) Lactic Acid. 13. Process that alters the DNA of an organism using laboratory techniques A) Genetic Engineering. B) DNA Primer. C) Gel Electrophoresis. D) Gene amplification. Show Answer Correct Answer: A) Genetic Engineering. 14. In producing insulin by genetic engineering, what is the first step to take? A) Isolate insulin from pancreas. B) Isolate insulin mRNA from pancreas. C) Isolate insulin DNA from pancreas. D) Isolate insulin from animal tissue. Show Answer Correct Answer: B) Isolate insulin mRNA from pancreas. 15. What is the argument for genetic enhancements? A) All of the above. B) Advancement of human evolution. C) Opportunity to prevent genetic diseases. D) Desire for improved traits and abilities. Show Answer Correct Answer: A) All of the above. 16. What is a common result of selective breeding in agriculture? A) Decreased crop yields. B) Increased genetic diversity among crops. C) Domestication of animals and crops. D) Reduced need for fertilizers. Show Answer Correct Answer: C) Domestication of animals and crops. 17. Restriction enzymes A) Cut only donor DNA evenly so blunt edges result. B) Cut plasmids but do not affect donor DNA. C) Make staggered cuts at specific sequences in DNA in both donor DNA and plasmid. D) Are used to incorporate plasmids into bacterial host cells. Show Answer Correct Answer: C) Make staggered cuts at specific sequences in DNA in both donor DNA and plasmid. 18. In animals, genetic engineering is used to create genetically-modified crops or organisms. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 19. Gene mutations are alterations in the chromosome structure or chromosome number. A) TRUE. B) FALSE. Show Answer Correct Answer: B) FALSE. 20. Small, circular, double-stranded DNA found in bacterial cells and used as a vector A) Cloning. B) Plasmid. C) DNA ligase. D) Transformation. Show Answer Correct Answer: B) Plasmid. ← 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