We Continue to See Sickle-Cell Anemia in Certain Populations Because

question 14

Multiple Choice

We continue to see sickle-cell anemia in certain populations because the presence of one recessive gene for sickle-cell anemia

• A) provides the individual with some level of protection from malaria.
• B) is associated with longevity so the individual is more likely to pass the gene to his or her children.
• C) also produces large amounts of human growth hormones (HGH), which is beneficial.
• D) makes the individual more resistant to the negative effects of stress.

---

Definitions:

Interest Rate

The percentage at which interest is charged or paid on borrowed or saved money, typically expressed as an annual percentage.

Expected Cash Flows

The projected amount of cash that is anticipated to be generated or expended over a certain period in the future.

Present Value

The contemporary valuation of future monetary sums or cash flow chains, determined by a designated rate of return.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1.