Three of the Following Statements About the Effects of Heredity

question 28

Multiple Choice

Three of the following statements about the effects of heredity and/or environment on intelligence are accurate. Which one is not accurate?

• A) Children tend to get higher IQ scores when they attend school regularly.
• B) Some toxic substances in children's homes or neighborhoods can adversely affect their cognitive development.
• C) Biologists working in the Human Genome Project have recently identified the chromosome that carries the "intelligence" gene.
• D) On average, children's performance on intelligence tests has risen around the world, suggesting that improvements in environmental conditions enhance IQ.

---

Definitions:

Income Tax Expense

The amount of money a company owes in taxes based on its net income.

After-Tax Discount Rate

The interest rate used to discount future cash flows to their present value, adjusted to account for taxes.

Straight-Line Depreciation

A method for allocating an asset's cost evenly across its useful life.

Initial Investments

Initial investments refer to the upfront capital invested in starting a business or a project, encompassing costs such as machinery, equipment, and property.