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Which of the following are possible results of exposure to radiation or toxic chemicals? I. DNA mutations occur in body cells and cancer develops. II. DNA mutations occur in body cells and are passed on to offspring. III. The exposed organism becomes sterile. IV. DNA mutations occur in gametes and birth defects result.

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Hagrid
All of the above are possible results of exposure to radiation or toxic chemicals. The time of exposure and the amount of chemicals that were involved in the exposure are some of the determining factors on how severe these effects would become.

I, III, and VI only is the answer