Exam 1 (2008 a) - Biol 3301 Exam #1C September 25 th , 2008...

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Unformatted text preview: Biol 3301 Exam #1C September 25 th , 2008 There are a total of 9 pages in this exam. This exam consists of 28 questions worth a total of 100 points. All questions are multiple choice and there is one best answer for each question. Record your answers on the scantron sheet, and answer only once for each question or you will be automatically marked wrong. Use a #2 pencil. Name_________________________ ID#__________________________ 1) Which of the following is an advantage of a molecular genetic marker? a. Fully dominant b. Is localized to recombination hot spots c. Typically linked to disease traits. d. Allows for the integration of physical and genetic maps e. A & C 2) You determine the recombination frequency between vestigial wing and purple eye to be 0.25. According the Haldane Mapping function, which takes into consideration the predicted number of unseen double recombinants, the corrected map distance would be: a. 34.7 cM b. 15 cM c. 10 cM d. 5.5 cM e. 6 cM 3) Generalized Transduction in E. coli : a. Is Restricted to genes located near prophage insertion sites b. Is the experimenter induced uptake of naked DNA c. Is the movement of HFR plasmids from one host into another d. Is the Identification a gene by the ability to complement a mutation in trans e. Involves a phage particle composed mostly of host genes. 4) A genotype is a. The complete compliment of genes in a species b. The outwardly manifested trait c. An individuals internally encoded trait as represented by specific alleles d. A graphic display of inheritance patterns e. When a trait is not encoded by the nucleus Questions 5-8: You have performed the following Dihybrid cross in Drosophila using the recessive white ( w ) and miniature wing ( m ) mutations. The w+ (Red- eyed) and m+ (normal Wing) are dominant wild type alleles. These genes are on the Drosophila X-chromosome. w m X w m w+ m+ Y Progeny: Phenotype # of Progeny White-eyed, miniature wing 401 Red-eyed, normal wing 395 White-eyed, normal wing 295 Red-eyed, miniature wing 287 Total Progeny 1378 5) Assuming independent segregation what is the 2 value?...
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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 (2008 a) - Biol 3301 Exam #1C September 25 th , 2008...

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