Discussion Quiz 5 - Full Name: EID: Discussion Section: BIO...

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Full Name: EID: Discussion Section: BIO 325 GENETICS: QUIZ # 5 February 20 2008(Total 20 Points) 1. The frequency of crossover between genes A and B is 7.5%, between genes B and C is 34.5%, and between genes A and C is 41.4%. What is the most likely order of these three genes? a. A B C b. C A B c. B C A d. The gene order cannot be determined from these data. 2. If a mouse with the genotype AaBb were test-crossed, what offspring would be expected if the two genes are 30 map units apart and the heterozygote has the dominant alleles on one chromosome and the recessive alleles on the other? a.35% of the offspring will exhibit A and B , 35% will exhibit a and b , 15% will exhibit A and b , and 15% will exhibit a and B . b.35% of the offspring will exhibit A and b , 35% will exhibit a and B , 15% will exhibit A and B , and 15% will exhibit a and b . c.20% of the offspring will exhibit A and B , 20% will exhibit a and b , 30% will exhibit A and b , and 30% will exhibit a and B . d.25% of each possible combination of traits: A and B , A and b , a and B , and a and b . 3. Suppose an animal with genotype
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This test prep was uploaded on 04/16/2008 for the course BIO 325 taught by Professor Saxena during the Spring '08 term at University of Texas at Austin.

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Discussion Quiz 5 - Full Name: EID: Discussion Section: BIO...

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