Study the following pedigree.

Identify the inherited trait from the following based on the above pedigree.

Myotonic dystrophy is an autosomal dominant disorder. In a pedigree, autosomal dominant inheritance can be identified by:

• The trait or disorder is passed from one generation to the next without skipping any generations. Affected individuals typically have at least one affected parent. There are no skips or "missing" generations without affected individuals.
• Autosomal dominant disorders affect males and females equally. Therefore, affected individuals can be found in both sexes in the pedigree.