Achondroplasia Is a Form of Dwarfism in Humans

question 25

Multiple Choice

Achondroplasia is a form of dwarfism in humans. It is caused by a mutant allele of the fibroblast growth factor receptor gene (FGFR) that produces an overactive protein. Having one copy of the mutant allele results in dwarfism. Two copies of the mutant allele results in death before birth.
-If two people with achondroplasia have a child together, what is the probability that their child will also have achondroplasia?

• A)0
• B)1/2
• C)2/3
• D)3/4
• E)1

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Definitions:

Cellulitis

An infection of the skin and tissues beneath the skin, often characterized by redness, pain, and swelling.

Subcutaneous

Located or applied under the skin, often referring to the layer of fat and tissue beneath the skin's surface.

Ingestion

The act of taking food, drinks, or other substances into the body through the mouth.

Absorption

The process by which substances are taken up into the bloodstream, particularly in the context of nutrients from the digestive system.