How Does a Population Develop Inherited Resistances to Diseases

question 16

Multiple Choice

How does a population develop inherited resistances to diseases?

• A) Past exposure to a disease favors genetic traits that provide protection.
• B) Medical techniques are used to immunize themselves.
• C) All contact with other populations who carry disease is avoided.
• D) Disease resistance happens automatically over time.

---

Definitions:

Basket of Goods

A basket of goods is a fixed set of consumer products and services valued on a regular basis for calculating inflation or cost of living adjustments.

Teddy Bears

Soft, stuffed toys resembling bears, often used for comfort and play by children.

Consumer Price Index

An evaluative measure that calculates the weighted mean cost of a range of consumer services and goods, from food to medical care and transportation.

Purchasing Power

The real value of money, reflecting the quantity of goods or services that one unit of money can buy, inversely related to the level of prices in the economy.