Someone Claims That "If a Characteristic Is Highly Heritable, Then

question 125

Multiple Choice

Someone claims that "if a characteristic is highly heritable, then we cannot change that characteristic by changing the environment." An example that argues strongly against this claim is that

• A) monozygotic twins resemble each other more than dizygotic twins do, for a wide variety of behaviors.
• B) adopted children resemble their biological parents with regard to many physical and behavioral conditions.
• C) a special diet can prevent the mental retardation associated with PKU.
• D) people with two genes for Huntington's disease get the disease, but people with only one such gene do not.

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Definitions:

Discount Rate

The financial rate implicated in translating future cash flows into their present value during discounted cash flow analysis.

Financially Attractive

Refers to investment opportunities or assets that are expected to provide substantial returns or profits.

Working Capital Investment

Funds used to finance day-to-day business operations, such as inventory purchase and accounts receivable.

Discount Rate

The interest rate used to discount future cash flows to their present values.