Is It Possible for Two Parents with Achondroplasia to Have

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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