In Creating Your Female Patient's Pedigree, You Note That She

Multiple Choice

In creating your female patient's pedigree, you note that she and both of her sisters were affected by the same genetic disorder. Although neither of her parents had indications of the disorder, her paternal grandmother and her paternal grandmother's two sisters were affected by the same condition. This pattern suggests:

A) Autosomal dominant disorder
B) Chromosomal disorder
C) Mitochondrial DNA disorder
D) X-linked dominant disorder