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_______________ may occur because of mistakes made when DNA copies itself during cell divisions or because of environmental factors such as ultraviolet radiation from the sun.
Q2: Systematic desensitization for the treatment of phobias
Q8: Where do new genetic variations come from?
Q24: Psychologists sometimes prefer to make observations in
Q26: _ may occur because of mistakes made
Q80: In the 1950's, Emily had a procedure
Q92: Many people respond positively to a new
Q99: The main advantage of a _ study
Q135: Which of the following transmit messages away
Q160: Chronic insomnia affects about _ of all
Q172: "I may never know for sure whether