Give an example of a gene-environment interaction.
What will be an ideal response?
A gene-environment interaction occurs when genetics and environment work together to shape personality. People often seek out environments that suit them. Shy, introverted people seek quiet places and activities, whereas extraverted people seek excitement and social interaction. Therefore, genetic tendencies toward introversion or extraversion drive behaviors to seek environments consistent with those tendencies.
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If you examined the brain functioning of a teenager and that of an older adult, you would probably notice which of the following differences, with respect to brain lateralization?
a. lateralized functioning would be higher in the adolescent's brain b. lateralized functioning would be higher in the older adult's brain c. the degree of lateralized functioning would be about equal for these two people d. in females, lateralization would he higher in the teenager's brain but in males, the lateralization would be higher for older men
In the industrialized world, the number of two-career couples is __________, and the number of single-parent families is __________.
A. increasing; increasing B. increasing; decreasing C. decreasing; decreasing D. decreasing; increasing