The Frequency of the Allele That Causes Sickle Cell Disease

question 37

Multiple Choice

The frequency of the allele that causes sickle cell disease is higher in some populations than in others because

• A) the gene mutates at different frequencies in different parts of the world.
• B) the incidence of malaria differs in different parts of the world.
• C) sickle cell disease screening is better in developed countries.
• D) heterozygotes are resistant to cholera.
• E) genetic testing is better now.

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Definitions:

Primary Key

A unique identifier for each record in a database table, used to ensure that each record can be uniquely retrieved.

Pacemaker Data

Refers to the information generated by pacemakers, which includes monitoring and tracking the heart's electrical activity and rhythm to ensure proper heartbeat.

Fifth Amendment

An amendment to the United States Constitution that provides several protections for people accused of crimes, including protection against double jeopardy, self-incrimination, and guarantees the right to due process.

Secondary Key

An attribute or set of attributes in a database table that helps further identify and sort records, but isn’t the primary means of record identification.