When Identical Twins Are More Likely to Have an Attribute

question 109

Multiple Choice

When identical twins are more likely to have an attribute in common than same-sex fraternal twins, we can conclude that:

• A) the common attribute has at least some genetic basis.
• B) the common attribute has no genetic basis.
• C) there is a low concordance between the twins.
• D) the attribute is primarily determined by social factors.

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Definitions:

Economic Theory

A set of principles and models that explain how economies operate and how economic agents interact, encompassing a wide range of topics like supply and demand, inflation, and economic growth.

Assumption

A basic premise or belief that is accepted as true without proof, often used as a starting point for further argument or analysis.

Simplify

To simplify means to make something less complicated, easier to understand, or clearer by reducing complexity.

Special Cases

Special Cases refer to unique or extraordinary scenarios in economics that require specific attention or deviate from the norm due to unusual circumstances or factors.