DNA Can Be Damaged by Environmental Factors, Such as Exposure

question 104

True/False

DNA can be damaged by environmental factors, such as exposure to ultraviolet light, radiation, or chemical toxins, and genes can mutate, or change spontaneously, from one generation to the next.

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Definitions:

Inactive Substance

A substance with no intended therapeutic effect, commonly used in clinical trials as a control to test the efficacy of treatments.

Experimental Group

In research, the group of participants who are exposed to the independent variable or treatment of interest.

Control Group

In an experiment, the group of participants who are not exposed to the independent variable, used as a comparison to measure the effect of the treatment.

Experimental Group

The group in an experiment that receives the variable being tested, allowing researchers to determine the effect of that variable.