In the Ames Test, the appearance of his revertants in the presence of a non-mutagenic control compound indicates that _______.

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14-01-2021
Chemistry

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In the Ames Test, the appearance of his revertants in the presence of a non-mutagenic control compound indicates that _______.

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ogechukwubenedict ogechukwubenedict · Answer 1 · 2021-01-16T13:32:43+01:00

Answer & Explanation: The Ames test examines the mutagenic effects of chemicals ; as such, it detects whether a given chemical can cause a reversion mutation in his- bacteria. While this is the purpose of the test, some of the reversion mutations are not caused by the mutagen being tested for. The appearance of his revertants in the presence of a non-mutagenic control compound therefore indicates that His+ revertants on the control plate are the result of spontaneous mutation.