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| Modern Genetic Analysis Chapter 7. Gene Mutations Mutational Analysis Figure 7-39. Phenotypes of (a) the wild type and (b) a mutation affecting plumage of Japanese quail. This mutation arose in a laboratory colony of quail and could be maintained as an interesting subject for genetic analysis. However, if such a mutation had arisen in nature, it would almost certainly have been lethal. (Janet Fulton)

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