Cystic Fibrosis Is a Fatal Lung Condition That Results from a Recessive

question 34

Multiple Choice

 Cystic fibrosis is a fatal lung condition that results from a recessive gene. If one parent is a healthy carrier for the condition while the other is not a carrier, what is the likely outcome for any children they might have?

• A) The children will be heterozygous for cystic fibrosis, and all will develop the disease.
• B) Fifty percent of their children will develop the disease, and the other fifty percent will be carriers.
• C) None of the children will have the disease, and none will be carriers.
• D) None of the children will have the disease, but each child has a fifty percent chance of being a carrier.

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Definitions:

Anterograde Amnesia

A condition characterized by the inability to form new memories after the onset of the disorder, while memories from before the onset remain intact.

Retrograde Amnesia

The loss of memory for events that occurred before a traumatic event or the onset of the amnesia.

Dissociative Fugue

Disorder in which a person moves away and assumes a new identity, with amnesia for the previous identity.

Organic Amnesia

Memory loss caused by physical damage to the brain, as from injury or disease, affecting the ability to recall information.