Achondroplasia Is an Autosomal Dominant Disorder

question 116

Multiple Choice

Achondroplasia is an autosomal dominant disorder.If a newly weddecouplfinds after genetic screening that they arboth heterozygous for alleles responsiblfor that genetic disorder, what is their chancto hava homozygous child?

• A)0 percent
• B)25 percent
• C)50 percent
• D)75 percent
• E)100 percent