Genetics Quiz #1: True/False & Multiple Choice Questions

Due Sep 25, 2023 at 11:59pm Points 20 Questions 20 Available Sep 25, 2023 at 10:36am - Sep 25, 2023 at 11:59pm 13 hours and 23 minutes Time Limit 20 Minutes Instructions This quiz is no longer available as the course has been concluded. Attempt History Attempt Time Score LATEST Attempt 1 18 minutes 20 out of 20  Correct answers are hidden. Score for this quiz: 20 out of 20 Submitted Sep 25, 2023 at 11:29am This attempt took 18 minutes. You will have one attempt and a 20 minute time limit to complete 10 True/False and 10 Multiple Choice questions (20 marks total). Questions will be shown one at time and you will not be able to go back to questions you have already seen. Quiz questions are randomly pulled from a bank; each student will see a different set of questions. You have 20 minutes to answer 20 randomly assigned questions. You CANNOT pause the quiz to return to it at a later time. Once the time has expired, you will not have an opportunity to return to the quiz. Do NOT wait until the last hour to write your quiz. Your Internet connection is very important when taking quizzes. If your wireless signal should drop in the middle of your quiz, the timer will continue. Be sure to take your quizzes with a stable connection. Good Luck! 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 1/9

If two parents who are both heterozygous for a specific trait are crossed, on average 1/4 of their offspring will exhibit the recessive form of that trait. True False 1 / 1 pts Question 2 Sexual Selection occurs during mating competition when a successful male chooses a mate from among multiple females. True False 1 / 1 pts Question 3 Random Genetic Drift is one of the more active processes in evolution. True False 1 / 1 pts Question 4 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 2/9

True False 1 / 1 pts Question 5 When Base Pairs form in DNA, Thymine always joins to Adenine. True False 1 / 1 pts Question 6 Gregor Mendel experimented with peas because he was interested in proving evolution wrong. True False 1 / 1 pts Question 7 Sexual Selection is type of non-random mating. True 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 3/9

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1 / 1 pts Question 8 Oögenesis results in 4 viable gametes from a single primary oöcyte. True False 1 / 1 pts Question 9 Completely random mating is the norm among most species. True False 1 / 1 pts Question 10 The human Diploid number includes 22 pairs of autosomes and 1 pair of sex chromosomes. True False 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 4/9

The British colony on the island of Tristan da Cunha was used as an example of: Sexual Selection Migration/Diffusion the Founder Effect Natural Selection 1 / 1 pts Question 12 Which of the following is NOT one of Mendel’s 3 main principles of inheritance? The Principle of Dominance and Recessiveness The Principle of Hybridization The Principle of Segregation The Principle of Independent Assortment 1 / 1 pts Question 13 A good definition of evolution is: 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 5/9

A change in the frequency of individuals in a population from one generation to the next Surival of the fittest A change in allele frequency in a population from one generation to the next 1 / 1 pts Question 14 Which of these is NOT an evolutionary process which acts upon allele frequencies in a population? Random Assortment of Chromosomes Migration or Gene Flow Non-random Mating Random Genetic Drift 1 / 1 pts Question 15 The Haploid number refers to: the number of different amino acids involved in protein synthesis. 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 6/9

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all the different genes and their various expressions in a population. the normal number of chromosomes in humans (46). 1 / 1 pts Question 16 Evolution generally occurs a the level of the: Gene Allele Population Species 1 / 1 pts Question 17 The result of mitosis is: either 4 somatics or 4 oötids. 2 new somatic cells. either 4 spermatids or 1 oötid. 4 new somatic cells. 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 7/9

Which of these is NOT one of the types of variability upon which evolution can act? Changes in allele frequencies New combinations of alleles Formation of new alleles Formation of new genes 1 / 1 pts Question 19 The basic building blocks of proteins and the basic building blocks of DNA are: chromosomes and nitrogenous bases respectively. nucleotides and amino acids respectively. nucleotides and chromosomes respectively. amino acids and nucleotides respectively. 1 / 1 pts Question 20 Which of the following is NOT one of the 3 sources of genetic variability on which evolution acts? Crossing-Over 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 8/9

Random Assortment of Chromosomes Natural Selection Quiz Score: 20 out of 20 6/21/24, 9:56 PM Quiz #1 Genetics: ARCH131 OL01 Human Origins https://canvas.sfu.ca/courses/78764/quizzes/247477 9/9

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Quiz #1 Genetics_ ARCH131 OL01 Human Origins

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