sentence2_structure: A person<>affected<>by an autosomal dominant disorder$$$A person affected by an autosomal dominant disorder<>has<>one mutated allele
sentence1: The disorder exhibits autosomal dominant inheritance, requiring only one mutant allele (gene).
sentence2: A person affected by an autosomal dominant disorder has one mutated allele.
question: What is needed for a person to be affected by an autosomal dominant disorder?