A Genetic Mutation Causes an Individual to Produce Hemoglobin Molecules

question 33

Multiple Choice

A genetic mutation causes an individual to produce hemoglobin molecules that do not change their binding affinity for oxygen, even after oxygen binds to a single heme site. How will this mutation affect the transport of oxygen through the individual's bloodstream?

• A)More oxygen will be transported by hemoglobin to tissues throughout the body.
• B)Oxygen will not be bound or released from hemoglobin as readily, limiting O₂ delivery to the tissues.
• C)The same amount of oxygen will be transported by hemoglobin to tissues throughout the body.

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Definitions:

Firmly Established

Thoroughly ingrained or deeply rooted; securely fixed or stable.

Grasping

An instinctual reflex in infants that prompts them to tightly hold onto objects placed in their hands.

Infants

Describes young children from birth up to 12 months, characterized by rapid growth and development across physical, cognitive, and social domains.

Identical Twins

Twins that develop from a single fertilized egg that splits into two, sharing the same genetic material.