Some of the Most Recent Research Studies Regarding Genetic Vs

question 65

Multiple Choice

Some of the most recent research studies regarding genetic vs. environmental causes of disorders in animals and humans have suggested

• A) genetic influences are greater than originally observed because positive environmental conditions do not prevent disorders.
• B) genetics and the environment share equal roles in the development of all psychological disorders.
• C) the relative contributions of genetics and the environment in the development of psychological disorders are different for lower animals than for humans.
• D) genetic influences may have been oversimplified by previous studies (i.e., without sufficient environmental stress, the genetic predisposition may never be activated.)

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Definitions:

Natural Selection

The process by which biological traits become either more or less common in a population as a function of the effect on the survival and reproduction of their bearers.

Identical Twins

Genetically identical siblings conceived from the same sperm and egg, sharing 100% of their DNA.

Fraternal Twins

Twins originating from the fertilization of two unique eggs by two separate sperm, making them genetically different from one another.

Personalities

Personalities refer to the combination of characteristics or qualities that form an individual's distinctive character, influencing their patterns of thought, feelings, and behaviors.