Final Exam 2006pdf - Page 1 of 6 BIO 1130 - INTRODUCTION TO...

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Page 1 of 6 BIO 1130 - INTRODUCTION TO ORGANISMAL BIOLOGY FINAL EXAMINATION – DECEMBER 13 , 2006 PART I THREE HOURS Dr. Jim Fenwick and Dr. Rees Kassen CLOSED BOOK EXAMINATION: NO BOOKS OR NOTES AND ONLY SCIENCE FACULTY APPROVED CALCULATORS ARE PERMITTED INSTRUCTIONS FOR PART I: ANSWER ALL TWENTY FIVE QUESTIONS ON THE COMPUTER SHEET. USE AN HB PENCIL AND FILL IN THE APPROPRIATE SPACES FULLY AND CAREFULLY. INDICATE THE MOST COMPLETE ANSWER. IF YOU ERASE, ERASE COMPLETELY! INDICATE ONLY ONE ANSWER FOR EACH QUESTION! MARKS WILL NOT BE DEDUCTED FOR INCORRECT ANSWERS UNLESS YOU GIVE MORE THAN ONE ANSWER FOR A QUESTION. PLEASE DO NOT OPEN THE EXAM UNTIL TOLD TO DO SO You may take these multiple choice question sheets home with you.
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Page 2 of 6 1. Which one of the following statements is incorrect? a. Science is empirical. b. Science is an epistemology, not a ‘thing’. c. Nothing in science is ever proven. d. An inference may be arrived at by either inductive or deductive reasoning. . e. When a generalization is made following specific observations one is using deductive reasoning. 2. .Which of the following is a modern definition of evolution? a. Evolution is a change in an individual’s ability to survive and reproduce. b. Evolution is an increase in the fitness of a population over time. c. Evolution is an increase in an individual’s fitness over time. d. Evolution is a change in allele frequency in a population. e. Evolution is survival of the fittest. 3. Of the 910 students in BIO1130, ten show the recessive trait ‘verbal diarrhea’. About how many students in the class carry the allele for verbal diarrhea but do not show it? a. 823 b. 96 c. 173 d. 10 e. none 4. A certain species of animals has six pairs of chromosomes. How many molecules of DNA do the gametes of these animals have? a. 6 b. 12 c. 18 d. 24 e. none 5. The oldest fossils known appear to be a type of bacteria and are about: a. 12 billion years old d. 1 billion years old b. 6 billion years old e. 6000 years old c. 3 billion years old 6. The Panda’s ‘thumb’ is an example of: a. a vestigial organ d. an homologous structure b. ontogeny e. a scar of evolution c. a preadaptation 7. In a dihybrid cross involving normal dominant and recessive alleles the phenotypic ratio in the F 2 will most typically be: a. 3:1 b. 1:2:2:1 c. 1:3:1 d. 9:3:3:1 e. insufficient information
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Page 3 of 6 8. Of the following, which evidence for evolution was not available to Darwin? a. fossils d. radiometric dating b. vestigial structures e. both ‘c’. and ‘d’ c. biogeography and plate tectonics 9. If you perform a standard dihybrid test cross involving alleles that are either completely dominant or ceompletely recessive, and the two genes are linked in such a way that no recombinants are formed, which of the following phenotypic ratios is most likely to appear in the F2.generation? a. 1
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Final Exam 2006pdf - Page 1 of 6 BIO 1130 - INTRODUCTION TO...

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