Exam 1 (2006) - Bio l330 1 Ex a m # 1 September 21, 2006...

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Biol3301 Exam#1 September 21, 2006 This exam consists of 40 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 12 pages in this exam. Good luck! Name_________________________ ID#__________________________
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Questions 1- 5: 1 A B 2 2 1 2 D 1 C 1 1 2 2 2 A 1 E 1 C 1 1 A 2 C 2 2 E 2 Cell 1 Cell 2 1 E 1 F E E 2 2 1. Cell 1 represents - b a. Metaphase of Meiosis II b. Anaphase of Meiosis I c. Anaphase of Meiosis II d. Anaphase of Mitosis e. c and d 2. Cell 2 represents - c a. Metaphase of Meiosis II b. Anaphase of Meiosis I c. Anaphase of Meiosis II d. Anaphase of Mitosis e. c and d 3. A and B are - a a. Homologous chromosomes b. Sister chromatids c. Heterologous chromosomes d. Non-sister chromatids e. None of the above 4. C1 and C2 are - b a. Homologous chromosomes b. Sister chromatids c. Heterologous chromosomes d. Non-sister chromatids
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e. None of the above 5. E and F are - c a. Metacentric chromosomes b. Acrocentric chromatids c. Telocentric chromosomes d. Egocentric chromatids e. None of the above Questions 6-7: The following pedigrees relate to two families who came in for genetic counseling with the same disease. A B 6. What is the mode of inheritance of this disease? - e a. Autosomal Dominant b. Sex-Linked Dominant c. Sex-linked Recessive d. Y-linked e. Autosomal Recessive 7. What is the probability of fetus A and fetus B being affected with the disease? - d a. A = 1/6; B = 1/9 b. A = 1/6; B = 1/36 c. A = 0; B = 1/6 d. A = 0; B = 1/36 e. A = 1/8; B = 1/64 8. What is the probability of fetus A and fetus B being a carrier? - b a. A = 1/8; B = 1/36 b. A = 1/6; B = 10/36 c. A = 1/6; B = 25/36 d. A = 1/6; B = 1/36 e. A = 1/8; B = 10/36 9. Which of the following statements is FALSE regarding chromosomes? - e a. A nucleosome is the basic unit of chromatin b. The kinetochore is needed for proper segregation of chr c. The centromere is essential for proper segregation of chromosomes during d. The telomere protects the chromosome ends.
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e. none of the above. Questions 10 – 12: 10. A cross between a pure bred plant yielding red flowers and a pure bred plant yielding white flowers gave F1 plants which yielded pink flowers, which looked like neither parent. What is the most likely explanation? - a a. Incomplete dominance. b. Autosomal dominance. c. Codominance. d. Maternal inheritance e. Haploinsufficiency. 11.
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This note was uploaded on 12/02/2011 for the course BIOL 3301 taught by Professor Gunaratne during the Spring '05 term at University of Houston.

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Exam 1 (2006) - Bio l330 1 Ex a m # 1 September 21, 2006...

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