Problem_set_2

Problem_set_2 - trisomic, and monosomic. D) What...

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Problem set #2 – For Recitation the week of March 3 rd . From Griffiths et al textbook: Chapter 15 : problems 1, 2, 3, 5, 7, 8, 10, 11, 14, 16, 19 From Chapter 16 : 2, 3, 6, 8, 11, 12, 13, 14, 15, 16, 19, 20, 21, 22, 23, 24 Additional Questions: A) How do mutations induced by X rays and ultraviolet radiation tend to differ from each other? B) Mutations are known that lower mutation rates from those encountered in wild type cells. Why do you think evolution has not selected for the lowest possible mutation rates and the greatest possible degree of genetic stability? C) For a species with a diploid number of 18, indicate how many chromosomes will be present in the somatic nuclei of individuals who are haploid, triploid, tetraploid,
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Unformatted text preview: trisomic, and monosomic. D) What differences would you expect in mutations caused by intercalating agents, such as acridine orange, as opposed to base analogs, such as 5-bromouracil. Explain the mechanisms that lead to the differences in the mutations caused by these two agents. E) Many agricultural products are polyploid. Which of the following would you expect not to be practical as an odd-numbered polyploid (e.g. triploid)? A. Wheat; B. Banana; C. Grape; D. Watermelon; E. Orange. F) Describe why in Huntingtons disease successive generations display earlier onset of the disease and more severe disease symptoms....
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This note was uploaded on 11/04/2011 for the course BIOL 202 taught by Professor Kieber-hogan during the Fall '08 term at UNC.

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