2007+BD+final+key - Bio 97 2007 Final Exam Section B...

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Bio 97 2007 Final Exam Section B version D - pg 3 of 11 3 Name ______________________________ID # ___________________ 1 You are discharged from the U.S. Army because you are homozygous for an allele of the serotonin receptor that is associated with a higher level of anxiety. Apparently the army feels anxious soldiers are bad soldiers. You decide to contest the Army’s decision. Which of the following is a valid argument argument to use: A. Anxiety is a quantitative trait and therefore genetic factors are not important B. Anxiety is a multifactorial trait and you may well be favorably disposed for the many other environmental and genetic factors that contribute to the variance in anxiety C. Assuming Hardy-Weinberg equilibrium, you should be no more or less anxious than anybody else in the population D. Genetic discrimination of any sort is clearly against U.S. Army policy E. More than one of the above is statements is a valid argument 2 Which of the following would NOT be expected to cause allele frequencies to vary over time A. Migration B. Random mating C. Mutation D. Genetic Drift E. Natural selection 3 Which of the following statements is TRUE? A. Some new antibiotics target viruses. B. The F factor plasmid cannot integrate through recombination into the bacterial genome. C. Transposable elements can move antibiotic-resistance genes. D. The proteins necessary for pillus formation are encoded in the bacterial chromosome. E. The bacteriophage genome encodes proteins to replicate bacteriophage DNA. 4 I. Is it likely that a pregnant woman who sunbathes daily and burns often will give her unborn child skin cancer? II. Does a smoker have a high likelihood of developing lung cancer because cigarette smoke is mutagenic? III. Are many cancers the result of a single genetic mutation? A. I. No II. No III. No B. I. No II. Yes III. Yes C. I. No II. Yes III. No D. I. Yes II. Yes III. Yes E. I. No II. No III. Yes 5 I. Gradients of bicoid and nanos determine the anterior-posterior axis in the embryo. II. Once a cell in the embryo is committed to a developmental fate, it is differentiated. III. Pattern formation occurs because of spatial and temporal restriction of specific transcription factors. The above statements are: A. I. True II. True III. True B. I. False II. True III. False C. I. True II. True III. False D. I. True II. False III. False E. I. True II. False III. True
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Bio 97 2007 Final Exam Section B version D - pg 4 of 11 4 6 This is a two-part true/false question (i) In agarose gels, larger DNA fragments migrate more slowly than smaller ones. (ii) In agarose gels, different sized DNA fragments migrate at different rates because they have
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This note was uploaded on 02/09/2011 for the course BIO 97 taught by Professor Edinger during the Spring '10 term at UC Irvine.

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2007+BD+final+key - Bio 97 2007 Final Exam Section B...

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