Maria is concerned because she has been exposed to a small amount of radiation during an x-ray. what is her doctor most likely to tell her?

a. radiation from x-rays is not a mutagen unless you have x-rays every day.
b. mutagens have no effect on the body unless you have inherited them.
c. small amounts of a mutagen often do not have an effect on health.
d. severe mutations are usually caused by small amounts of a mutagen.

C. Small amounts of a mutagen often do not have an effect on health.

A mutation is a permanent alteration or a change in the genetic composition of an organism. Mutagen is a physical or chemical agent which brings changes in the genome of the organism. X-ray is an example of physical mutagen. X-rays are vital imaging tool used for diagnosing bone structures in humans. Exposure to high X-ray radiation levels can have effects like vomiting, skin and hair loss, bleeding. However, exposure to low X-ray radiation levels does not cause immediate health effects. Therefore, this explains the fact that small amount of a mutagen often do not have an effect on health.

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