Heavy metal salts, the workers from molybdenum, tungsten and cobalt plants to make in contact with, reveal their mutagenic activity. Individual sensitivity to heavy metal salts has been analyzed through the example of molybdenum. Chromosome aberrations and sister chromatid exchanges have been studied for the regularities of their formation in lymphocytes of workers depending on the length of service. Sensitivity of tests of chromosome aberrations and sister chromatid exchanges has been compared to reveal genetic consequences of these types of the effects.
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