The Best Description of the Probable Role That Genes Play

question 29

Multiple Choice

The best description of the probable role that genes play in behavioral disorders is that

• A) a single gene causes each of these disorders.
• B) the same disorder may be caused by a single gene in one individual, and solely by an environmental factor in another.
• C) single genes with major influences as well as small inputs from common gene variants contribute to susceptibility to behavioral disorders, perhaps requiring environmental triggers.
• D) these genes increase the risk of infection, which directly causes the behavioral disorders.
• E) variants of the same gene underlie major depressive disorder, bipolar disorder, anxiety disorder, eating disorders, and schizophrenia.

Recognize the role of epigenetics in development and the ongoing interactions between genetics and the environment.

Understand the concept of canalization and its exceptions in the context of development.

Comprehend the significance of prenatal testing and genetic counseling in managing and understanding hereditary conditions.

Understand the concept of singular and plural propositions and how collections can be subjects of propositions.

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Definitions:

Marginal

Refers to the change or difference in an economic variable when altering another variable by a small or marginal amount.

Welfare Dependency

A situation where individuals or families continually rely on government welfare programs for their income over long periods, rather than seeking employment.

Billionaires

Individuals whose net worth or wealth is equal to or exceeds one billion units of a currency.

Income

The financial earnings received by an individual or entity, typically measured over a set period of time, from work (wages) or investments (interests, dividends).