The Most Reasonable Explanation for the Fact That Disorders Such

question 21

Multiple Choice

The most reasonable explanation for the fact that disorders such as cystic fibrosis do not disappear from the human population is that

• A) it is an autosomal dominant disease.
• B) new medical procedures allow most sufferers to live long enough to pass the gene on to offspring.
• C) heterozygous carriers have one normal gene that masks the harmful gene.
• D) the gene keeps mutating back to the harmful form.
• E) persons with cystic fibrosis are made stronger by their affliction.

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Definitions:

Corticosterone

A steroid hormone produced by the adrenal cortex, involved in stress responses, immune response regulation, and metabolism.

Genetic Manipulation

A technique involving the alteration of the genetic material of an organism to modify its characteristics or produce a desired outcome.

Brainbow

A neurotechnological technique that uses genetic methods to label individual neurons with a palette of fluorescent colors, facilitating the study of neuronal connections.

Lesions

Damages or abnormalities in body tissues, particularly in the brain, that can result from injury, disease, or surgical intervention, affecting the tissue's function.