If Genes Alone Contribute to a Trait, Which of the Following

question 97

Multiple Choice

If genes alone contribute to a trait, which of the following patterns of correlations would be observed?

• A) 1.00 for identical twins raised together but a lower correlation for those raised apart
• B) 1.00 for both identical and fraternal twin pairs raised together but a lower correlation for those pairs raised apart
• C) 1.00 for identical twins and .50 for fraternal twins raised together and raised apart
• D) No significant correlation between identical twins or fraternal twins, regardless of whether they are raised together or apart

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Definitions:

Present Value

The current value of a future sum of money or stream of cash flows, discounted at a specific interest rate.

Annuity

A financial product that pays out a fixed stream of payments to an individual, typically used as an income stream for retirees.

Interest Rate

The percentage charged by a lender to a borrower for the use of assets, typically expressed as an annual percentage of the principal.

Discount Rate

The interest rate used in discounted cash flow (DCF) analysis to determine the present value of future cash flows or investments.