§Genes can influence
traits which affect responses, and environment can affect gene activity.
§A genetic predisposition
that makes a child restless and hyperactive, evokes angry responses from his
parents. A stressful environment can trigger genes to manufacture neurotransmitters
leading to depression.
OBJECTIVE 6-8|
Give and example of a genetically influenced trait that can evoke responses
in others, and give another example of an environment that can trigger gene
activity.