Which of the Following Statements About Spina Bifida Is True

question 7

Multiple Choice

Which of the following statements about spina bifida is true?

• A) Spina bifida (SB) is not influenced by the environment.
• B) Spina bifida does not show any family clustering.
• C) A gene associated with the neural tube defects has been identified in mice but no such gene exists in humans.
• D) The human X chromosome contains the gene associated with neural tube defects.
• E) A couple that has a child with spina bifida has an increased risk of having another child with spina bifida.

---

Definitions:

Internal Rate of Return

A metric used in finance to estimate the profitability of potential investments, calculating the rate of return where the net present value of all cash flows is equal to zero.

Cash Inflows

Funds entering a business from various sources like sales, financing, and investments.

Minimum Required Rate

The lowest rate of return or yield that an investor expects or requires from an investment.

Internal Rate of Return

The discount rate at which the net present value of all cash flows (both positive and negative) from a project or investment equals zero.