Exam 1 (2005) - Biol3301 Ex a m # 1 October 4, 2005 This...

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Biol3301 Exam#1 October 4, 2005 This exam consists of 50 questions worth a total of 100 points. All questions are multiple-choice. Each question has only ONE answer so choose the best answer. There are a total of 17 pages in this exam. The last page is blank. Good luck! Name_________________________ ID#__________________________
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(The following diagram applies to Questions 1-8). Shown below is a nucleus of an alien species which has completed the S-phase of the cell cycle and whose chromosomes are aligning at the metaphase plate. A B C D E F 1 2 1 2 1 2 1 2 1 2 1 2 1. Which of the following statement(s) is/are FALSE regarding the chromosomes of this species? a. A and B are acrocentric chromosomes. b . C and D are telocentric chromosomes .-CORRECT c. E and F are telocentric chromosomes. d. C and D are metacentric chromosomes. e. None of the above. 2. Which of the following statements is/are FALSE? a. C and D are homologous chromosomes b. A and B are homologous chromosomes c. C1 and C2 are sister chromatids d . C1 and D1 are sister chromatids -CORRECT e. None of the above 3. Which of the following statements is/are TRUE regarding MITOSIS in the alien?
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a. Occurs in the somatic cells in which the parental cells have 3 chromosomes and the resulting two daughter cells have 3 chromosomes . b. Occurs in the germline cells in which the parental cells have 3 chromosomes and the resulting four daughter cells have 3 chromosomes. c. Occurs in the somatic cells in which the parental cells have 6 chromosomes and the resulting two daughter cells have 3 chromosomes. d. Occurs in the somatic cells in which the parental cells have 6 chromosomes and the resulting two daughter cells have 6 chromosomes.-CORRECT e. Occurs in the germline cells in which the parental cells have 6 chromosomes and the resulting four daughter cells have 3 chromosomes. 4. Which of the following statements is/are TRUE regarding MEIOSIS in the alien? a. Occurs in the somatic cells in which the parental cells have 3 chromosomes and the resulting two daughter cells have 3 chromosomes . b. Occurs in the germline cells in which the parental cells have 3 chromosomes and the resulting four daughter cells have 3 chromosomes. c. Occurs in the somatic cells in which the parental cells have 6 chromosomes and the resulting two daughter cells have 3 chromosomes. d. Occurs in the somatic cells in which the parental cells have 6 chromosomes and the resulting two daughter cells have 6 chromosomes. e. Occurs in the germline cells in which the parental cells have 6 chromosomes and the resulting four daughter cells have 3 chromosomes.-CORRECT 5. Which of the following DNA molecules are virtually identical (differ in no more than one or two nucleotide pairs)? a. C1 and C2 after meiosis I
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This note was uploaded on 12/01/2011 for the course BIOL 3301 taught by Professor Gunaratne during the Spring '05 term at University of Houston.

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Exam 1 (2005) - Biol3301 Ex a m # 1 October 4, 2005 This...

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