People with the Same Cystic Fibrosis Alleles at the CFTR

question 2

Multiple Choice

People with the same cystic fibrosis alleles at the CFTR site do not always exhibit the same symptoms-some are sicker than others.Which of the following best explains this?

• A) the influence of modifier genes
• B) the influence of deletion genes
• C) the presence of other genes that code for normal CFTR protein
• D) the presence of another gene that fixes the deformed protein
• E) worse symptoms in men than in women

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Definitions:

Three Dimensions

Pertains to objects or spaces that have length, width, and height, allowing them to be perceived as having volume.

Activation of Receptors

The process by which a receptor protein on the surface of a cell or inside it binds to a specific molecule, causing a change in the function of the cell.

Sensation

The process that occurs when special receptors in the sense organs are activated, allowing various forms of outside stimuli to become neural signals in the brain.

Receptor Cells

Specialized cells that respond to specific types of energy, such as light, sound, or chemicals, and convert it into neural signals.