Koofers

Past Exam for BIOL 2004 - Genetics at Virginia Tech (VT)

Exam Information

Material Type:Exam 1
Professor:Staff
Class:BIOL 2004 - Genetics
Subject:Biological Sciences
University:Virginia Polytechnic Institute And State University
Term:Fall 2006
Keywords:
  • Blood Type A
  • Metaphase 2
  • Centromeres
  • Recombination
  • Orientation
  • Single Gene
  • Segregation
  • Differentiate
  • Transmission
  • Co Dominant
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Sample Document Text

1 Exam 1 Genetics BIOL 2004 CRN 90817 12 September 2006 Background for questions 1-3. Parents, AAbb and aaBB were crossed to yield AaBb females. Those AaBb females were crossed with aabb males. 1. What would be the frequency of progeny of AaBb genotype if the two genes were unlinked? (1)0.50 (2)0.38 (3)0.25 (4)0.125 (5)0.0625 (6)0.00 (none) 2. What would be the frequency of AaBb progeny if the two genes were linked and there was no recombination between the two genes? (1)0.5625 (2)0.50 (3)0.38 (4)0.25 (5)0.0625 (6)0.00 (none) 3. What would be the frequency of AaBb progeny if the two genes were linked and there was 10 % recombination between the two genes? (1)0.75 (2)0.50 (3)0.25 (4)0.10 (5)0.05 (6)0.025 4. In Drosophila melanogaster, the genes M/m, N/n, and O/o independently assort. When a fruit fly of genotype MmNnOo is mated with another fly of identical genotype (opposite sex), what proportion of the progeny flies will be MMNNoo? (1)½ (2)¼ (3)1/8 (4)1/16 (5)1/32 (6)1/64 5. The genetic phenomenon of ...

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