SCIN211 - Principles of Genetics with Lab | Lab Exercise 3 (Week 3) SCIN 211 | Lab Exercise 3 Mutation (Week 3) - Answered Correctly (winter 2025).

Lab Exercise 3 (Week 3) Return to Assessment List Comment:I've reviewed the Week 3 Lab Exercise. Let me know if you have any questions about the assignment or your score. Part 1 of 1 - Lab Exercise 3 (Week 3) 95.0/ 100.0 Points Lab 3: Mutation Reading:  Chapters 11-15  DNA is Constantly Changing through the Process of Mutation  Loewe, L. (2008) Genetic mutation. Nature Education 1(1) Video (Orient yourself to basics of mutation by watching these videos): Professor Anderson’s Mutation Video Damage to DNA Leads to Mutation Lab Exercise Go to the website on Mutations are Changes in Genetic Information. Explore the Concept, Animation (be sure to follow the arrows to view all the screens), and Video pages. Answer the analysis questions in this assignment. Be sure you SAVE frequently so you don't lose your work. Do not click SUBMIT FOR GRADING until you are finished and ready to be graded! NOTE: The consequences of any acts of Academic Dishonesty in this course are severe. Academic Dishonesty comes in many forms, including but not limited to cheating, plagiarism, improper citation of sources, submission of unoriginal work, etc. Please read this Note About Plagiarism and Academic Dishonesty so you are not surprised when the consequences are enforced! Question 1 of 14 5.0/ 5.0 Points By what means were DNA mutations first induced in Drosophila?  A. microwaves  B. heat C. carcinogenic chemicals  D. X-rays Feedback:good Question 2 of 14 0.0/ 5.0 Points With whom did Herman Muller work in his Drosophila research?  A. Charles Darwin  B. Thomas Hunt Morgan  C. Seymour Benzer  D. Alfred Kinsey Feedback:Be sure to review the Animation section of the lab for the correct answer. Question 3 of 14 5.0/ 5.0 PointsWhere was the lethal recessive mutation located that Muller studied?  A. Chromosome 1  B. Y chromosome  C. Chromosome 12  D. X chromosome Feedback:good Question 4 of 14 5.0/ 5.0 Points In Muller's experiment, which sex died as a result of inheriting the "L" gene?  A. only males died  B. only females died C. both sexes died  D. neither sex died Feedback:good Question 5 of 14 5.0/ 5.0 Points Which researcher realized that a gene could be divisible at many locations?  A. Muller  B. Watson  C. Benzer  D. Crick Feedback:good Question 6 of 14 5.0/ 5.0 Points In the crossing over experiment, which gene was defective in all mutants? A. GrIII  B. BamHI  C. EcoR1  D. rII Feedback: good Question 7 of 14 5.0/ 5.0 Points During the recombination experiment discussed in this lab exercise, in what area of the gene did crossing over occur?  A. at the 3' end B. at the 5' end  C. in the middle  D. on both ends Feedback:good Question 8 of 14 10.0/ 10.0 Points Under the Problem tab of this lab exercise, how many nucleotide differences were there between humans and chimpanzees in the 379-nucleotide part of the mt control region?  A. 87  B. 25  C. 56 D. 31 Feedback:good Question 9 of 14 10.0/ 10.0 Points Under the Problem tab of this lab exercise, when looking more closely at the human branch of the tree by comparing the control region between two modern humans, how many nucleotide differences accumulated in the 379-nucleotide part of the control region?  A. 4  B. 10  C. 3  D. 7 Feedback: goodQuestion 10 of 14 5.0/ 5.0 Points The data from mitochondrial analysis in this lab exercise indicates that modern humans share a common ancestor who lived about how long ago?  A. 6,000 years ago  B. 1,000,000 years ago  C. 150,000 years ago  D. 10,000 years ago Feedback:good Question 11 of 14 5.0/ 5.0 Points According to the lab, how long ago did Neandertals go extinct?  A. 1,000 years ago  B. 500,000 years ago C. 15,000 years ago  D. 100,000 years ago  E. 5,000 years ago  F. 30,000 years ago Feedback:good Question 12 of 14 5.0/ 5.0 Points There has long been controversy about whether Neandertal was the direct ancestor of modern Europeans or a "dead end" in hominid evolution. Which diagram in the lab showed Neandertal as an ancestor of modern humans?  A. Diagram A  B. Neither diagram C. Diagram B  D. Both diagrams Feedback:good Question 13 of 14 10.0/ 10.0 Points In the sequence alignment shown in this lab between a part of the mt control region of Neandertal and a modern human, how many mutation differences are there in the 379-nucleotide region?  A. 18  B. 5  C. 19  D. 28 Feedback:good Question 14 of 14 20.0/ 20.0 Points Please upload a screenshot (in PDF format) of your final congratulations screen from the lab that showsyou completed the lab. NOTE: This MUST be in PDF format (follow the link included above) or it will not be graded. Adams_Amanda_L(121.19 KB) Feedback:Your instructor will manually grade this question. Comment:Thanks for the screen shot demonstrating completion of the lab!