Which of the Following Is an Accurate Statement Regarding the Difficulties

question 64

Multiple Choice

Which of the following is an accurate statement regarding the difficulties in studying the effects of single genes on personality?

• A) Researchers have been unable to identify any single genes that have an influence on personality, so studies of heritability are generally impossible.
• B) Most aspects of personality are affected by numerous genes that exert their influence in concert with each other.
• C) Variations in a single gene are limited to their influence to a single personality trait, so the relationship between multiple traits is not something of interest to this sort of research.
• D) Variations in a single gene can influence a personality trait by as much as 90%, so it can be virtually impossible to identify that one gene.

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Definitions:

Jackson's Presidency

The period of American history from 1829 to 1837 when Andrew Jackson served as the President of the United States, noted for his populist policies and the "Trail of Tears."

Eligible Voters

Individuals who meet the requirements set by law to vote in an election.

Presidential Elections

The formal democratic process through which the President of a country is elected, typically involving campaigns, voting, and electoral processes.

Dred Scott Decision

A landmark U.S. Supreme Court case in 1857 that ruled African Americans, whether enslaved or free, could not be American citizens and therefore had no standing to sue in federal court, exacerbating tensions leading up to the Civil War.