What are the phenotype ratios of the offspring

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You cross a curved-wing (c), brown-eyed (b) fly with a wildtype fly, and obtain all wildtype F1 offspring. You next perform a testcross between an F1 fly and a curved-wing/brown-eye fly. What are the phenotype ratios of the offspring, assuming the genes are unlinked?

Reference no: EM13114108

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