What Mutations Occurred in Most Ice Fish That Prevent Production

question 64

Multiple Choice

What mutations occurred in most ice fish that prevent production of hemoglobin?

• A) fragmentation of both hemoglobin genes
• B) deletion of one hemoglobin gene and fragmentation of the other hemoglobin gene
• C) deletion of both hemoglobin genes
• D) duplication of both hemoglobin genes
• E) duplication of one hemoglobin gene and fragmentation of the other hemoglobin gene

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Definitions:

Angiotensin II

Peptide derived from angiotensin I; stimulates vasoconstriction and aldosterone secretion; also called active angiotensin.

Blood Volume

The total volume of blood circulating within an individual's vascular system.

ADH Production

The synthesis and release of antidiuretic hormone, also known as vasopressin, primarily by the posterior pituitary gland, which helps regulate water balance in the body.

Hyperventilation

Rapid or deep breathing that leads to a decrease in carbon dioxide levels in the blood, potentially causing dizziness or tingling.