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Two true-breeding white strains of the plant Illegitimati noncarborundum were mated, and the F1 progeny were all white. When the F1 plants were allowed to self-fertilize, 179 white-flowered and 41 purple-flowered F2 plants grew.
a. Using the ratio of these offspring, determine how flower color is inherited?
b. Define letter symbols for all the alleles involved. Indicate (using these letter symbols) the genotypic classes and the corresponding phenotypic ratios of the F2.
c. A purple F2 plant is allowed to self-fertilize. Of the progeny, ¾ are purple-flowered, and ¼ are white-flowered. What is the genotype of the purple F2 plant? Briefly explain how you determined your answer.
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For example do you now understand the concept behind DNA fingerprinting. Did you find it difficult to determine the father in the paternity suit or the rapist.
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