Why Are Individuals Who Are Heterozygous for the Sickle Cell

question 10

Multiple Choice

Why are individuals who are heterozygous for the sickle cell trait partially protected from developing malaria?

• A)They make antibody against the malarial pathogen.
• B)Their infected red blood cells become sickled and are destroyed.
• C)They develop a strong cell-mediated response against the malarial pathogen.
• D)Their red blood cells cannot be infected by the malarial pathogen.
• E)Their red blood cells contain very little hemoglobin.

---

Definitions:

World Price

The international market price of a good or service, influenced by global supply and demand conditions.

Domestic Supply

The total amount of goods and services provided by a country's own economy without importing from other countries.

Imported

Describes goods or services brought into one country from another for sale, usually regulated by import quotas and tariffs.

Economies Of Scale

The cost advantages that enterprises obtain due to their scale of operation, leading to a reduced cost per unit of output.