BIO305_F06_ZHANG_TZFIRA_Exam1_KEY - Bio305 Genetics Exam I...

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Bio305 Genetics Exam I, Fall 2006 1 INSTRUCTIONS 1. For your exam to be scored, you MUST use a #2 pencil. 2. BEFORE BEGINNING THE EXAM, fill out all information sections on the accompanying answer sheet COMPLETELY. a. Read and follow instructions on the form EXACTLY. b. Grid in your NAME, STUDENT ID #, and DISCUSSION SECTION NUMBER on the left-hand side of the answer sheet. c. Be VERY NEAT and careful when filling out the answer form. The scanning machine is very sensitive and stray pencil marks could be interpreted as answers. 3. Each question has only one BEST answer. 4. When you finish, hand your answer sheet and exam to a GSI PERSONALLY. Do not give it to anyone else to hand in. Only one answer sheet will be accepted from each student. 5. There are 4 points for each of the 25 multiple-choice questions. 6. There is a statistical table at the end of the exam, in case you need it. Blank paper has been attached to the exam to give you room to work. SUGGESTIONS: Work through exam circling answers on paper copy. When you are finished, review your answers. Only then (or with ~15 minutes of exam time left) should you fill in the scantron answer key.
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Genetics Exam I, Fall 2006 2 1. Which statement about the history of genetics is CORRECT? a) Thomas Morgan is widely regarded as the father of genetics. b) Alfred Sturtevant, a student of Thomas Morgan, produced the first genetic map. c) Gregor Mendel is the first to use Drosophila in genetic studies. d) Calvin Bridges, a student of Thomas Morgan, is the first to propose the chromosomal theory of inheritance. e) In 1900, three scientists independently rediscovered the laws of inheritance that had been discovered by Sutton and Bovari more than 30 years ago. f) It was unfortunate that Charles Darwin did not know Gregor Mendel’s work, because Darwin died before Mendel published his results. g) In honor of Gregor Mendel, geneticists refer to 1 mu as 1 centiMendel. 2. How many tetrads, dyads, and monads exist in a human primary oocyte, a secondary oocyte, and an ootid, respectively? a) 23, 23, and 23 b) 46, 46, and 46 c) 46, 23, and 23 d) 92, 46, and 23 e) 46, 46, and 23 f) 92, 46, and 46 g) 92, 23, and 23 3. Which statement about chromosomes and cell divisions in humans is CORRECT? a) Centromeres rarely exist in plant chromosomes. b) DNA replication occurs in metaphase during mitosis. c) The short arm of a chromosome is referred to as the q arm. d) The complexity of an organism increases with its number of chromosomes. e) P53 regulates cell cycle and is known as a tumor-suppressor gene because tumors are suppressed when P53 is mutated. f) Second-division nondisjunction is due to nondisjunction of homologous chromosomes in the second meiotic division. g) Human chromosome 1 is the biggest among its 22 pairs of autosomes.
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This note was uploaded on 12/12/2010 for the course BIOL 305 taught by Professor Zhang during the Fall '10 term at University of Michigan.

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BIO305_F06_ZHANG_TZFIRA_Exam1_KEY - Bio305 Genetics Exam I...

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