One Study Discussed in the Text Demonstrated That Infants with a Particular

question 91

Multiple Choice

One study discussed in the text demonstrated that infants with a particular form of one of the genes influencing production of neurotransmitters associated with effortful attention had lower effortful attention than other infants when they also were exposed to poor parenting. What principle is demonstrated by this study?

• A) Environment plays a crucial role in the expression of genes.
• B) The expression of genes plays a crucial role in one's environment.
• C) Some genetic influences operate regardless of environment.
• D) Current research methods often do not allow researchers to separate the influences of genetics and environment.

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Definitions:

Scramble Competition

A type of competition in which individuals vie for limited resources, leading to the resource being evenly distributed among competitors.

People Overpopulation

A situation in which there are too many people in a given geographic area; results in pollution, environmental degradation, and resource depletion. Compare with consumption overpopulation.

Developing Nations

Countries with a lower level of industrialization, a lower standard of living, and a lower Human Development Index compared to developed countries.

Interference Competition

A situation where one species directly inhibits another from accessing a resource.