When analyzing the pedigree for autosomal dominant disorders, it is common to see:
A. Several generations of affected members
B. Many consanguineous relationships
C. More members of the maternal lineage affected than paternal
D. More members of the paternal lineage affected than maternal
ANS: A
Pedigrees associated with autosomal dominant (AD) disorders typically reveal multiple affected family members with the disease or syndrome. When analyzing the pedigree for AD disorders or syndromes, it is common to see a "vertical" pattern denoting several generations of affected members.
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