Is It Possible for Two Parents with Achondroplasia to Have

question 14

Multiple Choice

Is it possible for two parents with achondroplasia to have a child who is of normal stature?

• A)Yes, because the disorder is autosomal dominant, and if both parents are heterozygous, the child could inherit two normal stature gene alleles.
• B)Yes, if the parent who is homozygous for the gene mutation demonstrates variable expressivity of the health problem.
• C)No, because the disorder is autosomal recessive, and the child can only inherit two mutated gene alleles for the health problem.
• D)No, because homozygosity for this health problem is lethal.

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