SampleQuiz2 - BIOL 340 Quiz 2 75 pts = Name KEY Write only...

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Page 1 of 3 BIOL 340 – Quiz 2 Name: KEY 75 pts. = 11/12/2009 Write only the answers on lines or spaces provided to the specific questions asked. Anything else on the lines or in the spaces that are not the correct answers to specific questions asked will result in points deducted. Each part = 5 points. 1. In a genetic study of the color of the hull in oat seeds, a variety having white hulls was crossed with a variety having black hulls. The F 1 hybrid seeds all had black hulls. The F 2 was produced from self- fertilization of the F 1 and were always observed in the following ratio: 12/16 black hulls: 3/16 gray hulls: 1/16 white hulls. a. What is the genotype of the original parental variety with white hulls? aa bb b. What is the genotype of the original parental variety with black hulls? AA BB c. List the genotypes for the F 2 that have gray hulls. aa BB; aa Bb d. What other parental combination could you cross and get the same F 1 and F 2 data? ( Note: to answer this question, you write only the phenotypes
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