Cystic Fibrosis Is the Most Common Fatal Genetic Disease in North

question 47

Multiple Choice

Cystic fibrosis is the most common fatal genetic disease in North America and results in what type of allele located on chromosome 7?

• A) recessive
• B) dominant
• C) homozygous
• D) heterozygous
• E) polygenic

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Definitions:

Electrical Activity

The movement of electrically charged particles, such as electrons or ions, which is a fundamental process in biological systems and electronic devices.

Intracellular

Located or occurring within a cell or cells, referring to processes, reactions, or components found inside cells.

Extracellular Ions

Ions located outside the cell, in the extracellular fluid, playing key roles in various physiological processes, including the transmission of nerve impulses.

Channels

Pathways through which messages or information are communicated or transferred from one end to another, also referring to structures that allow the passage of ions across cell membranes in biology.