Daniel Was Adopted at Birth

question 283

Multiple Choice

Daniel was adopted at birth. In a behavioral genetics study,similarities between Daniel and his adoptive parents are considered to be due to _____, and similarities between Daniel and his biological parents are considered to be due to _____.

• A)genetic influences; environmental influences
• B)environmental influences; genetic influences
• C) emergenic influences; heritability of traits
• D)heritability of traits; environmental influences

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Definitions:

Economic Profit

The difference between a firm's total revenues and its opportunity costs, representing the additional gain over what could have been earned in the next best alternative.

Normal Profit

The minimum level of earnings needed for a company to remain in business, often considered as the company's opportunity cost.

Break Even

The juncture where the aggregate of all costs matches the total income, leading to neither a profit nor a loss.

Short Run

A period of time during which at least one of a firm's inputs is fixed.