A Researcher Is Describing a Theory of the Interaction of Genes

question 73

Multiple Choice

A researcher is describing a theory of the interaction of genes and the environment on intelligence and uses the term "reaction range." Which of the following is an example of this concept?

• A)The effects of environment occur only at the lower ends of the distribution of intelligence scores.
• B)An individual who may have genes for lower IQ can reach a higher level of intelligence in an enriched environment.
• C)Psychologists are developing new tests of intellectual functioning that are thought to be more culture-free than previous tests.
• D)There is a very specific level of intelligence that can be affected by genetic factors; the rest is the result of the environment.

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Definitions:

Neurons

Cells in the nervous system specialized for the transmission of information via chemical and electrical signals.

Occipital

Pertaining to the occipital lobe, a region of the brain located at the back of the head that is responsible for processing visual information.

Cerebral Cortex

The brain's outermost layer responsible for higher-order brain functions such as sensory perception, cognition, and motor control.

Facial Muscle Movements

Contractions and relaxations of muscles in the face, responsible for creating facial expressions.