Lab 3 Pre-Lab Quiz - Sickle-Cell Alleles: Attempt review | eClass

2023-11-28, 1 : 27 PM Lab 3 Pre-Lab Quiz - Sickle-Cell Alleles: Attempt review | eClass Page 1 of 5 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5195617&cmid=2492391 SC/BIOL1001 A - Biology II - Evolution, Ecology, Biodiversity and Conservation Biology (Fall 2023-2024) (Labs 01 - 11) ❯ Lab 3 Pre-Lab Quiz - Sickle-Cell Alleles Question 1 Correct Mark 1.00 out of 1.00 Started on Monday, 23 October 2023, 11 : 02 PM State Finished Completed on Monday, 23 October 2023, 11 : 09 PM Time taken 6 mins 15 secs Marks 10.00/10.00 Grade 100.00 out of 100.00 Select one: What should you do if you need to complete the Sickle-Cell alleles exercise on a computer other than the one you used to complete the Darwinian Snails exercise ? a. Log in to the student portal and complete the exercises online, without downloading the SimUText again. b. Log in to the student portal and download the SimUText without purchasing a new license.  c. Create a new SimBio account and download the SimUText to your new computer. d. Purchase a new license from SimBio and download the SimUText to your new computer. The correct answer is: Log in to the student portal and download the SimUText without purchasing a new license.

2023-11-28, 1 : 27 PM Lab 3 Pre-Lab Quiz - Sickle-Cell Alleles: Attempt review | eClass Page 2 of 5 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5195617&cmid=2492391 Question 2 Correct Mark 1.00 out of 1.00 Question 3 Correct Mark 1.00 out of 1.00 Question 4 Correct Mark 1.00 out of 1.00 Select one: Fitness is defined as how reproductively successful an individual is within a certain environment, relative to other individuals. True  False The correct answer is 'True'. Select one: Alleles that are neutral with respect to fitness_____________. a. are more likely to fluctuate in frequency if a population is relatively large. b. have a constant frequency that does not fluctuate. c. may fluctuate in frequency due to natural selection. d. may fluctuate in frequency due to chance events.  The correct answer is: may fluctuate in frequency due to chance events. Select one: The SimUText completion and graded questions are due at_____________. a. No due date b. Friday, Oct 20  c. At the beginning of the regularly scheduled laboratory session The correct answer is: Friday, Oct 20

2023-11-28, 1 : 27 PM Lab 3 Pre-Lab Quiz - Sickle-Cell Alleles: Attempt review | eClass Page 4 of 5 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5195617&cmid=2492391 Question 7 Correct Mark 1.00 out of 1.00 Question 8 Correct Mark 1.00 out of 1.00 Question 9 Correct Mark 1.00 out of 1.00 Select one: Natural selection increases the number of different types of alleles within a population. True False  The correct answer is 'False'. Select one: Differences in the phenotypes of individuals in different populations can be due to different______________. a. allele frequencies only b. allele frequencies and/or environmental influences  c. environmental influences only The correct answer is: allele frequencies and/or environmental influences Select one: The location of a gene on a chromosome is called______________. a. a centromere. b. a chromatid. c. the locus.  d. an allele. The correct answer is: the locus.

2023-11-28, 1 : 27 PM Lab 3 Pre-Lab Quiz - Sickle-Cell Alleles: Attempt review | eClass Page 5 of 5 https://eclass.yorku.ca/mod/quiz/review.php ? attempt=5195617&cmid=2492391 Question 10 Correct Mark 1.00 out of 1.00 Select one: The disorder being studied in this exercise is sickle cell anemia. The mutation that causes sickle cell anemia is found in a gene that codes for a polypeptide found in___________________. a. white blood cells. b. the malaria parasite. c. blood vessel walls. d. hemoglobin.  The correct answer is: hemoglobin. Previous activity Lab 3 Handout: Sickle-Cell Alleles - SimUText Jump to... Next activity Lab #4: Environment in the Media - Handout