The Simian crease is not seen in ______: (A) Down syndrome, (B) Trisomy 13, (C) Cri du chat syndrome, (D) Cystic Fibrosis
Answer is D. Simian crease (single transverse palmar crease) is not seen in cystic fibrosis. Simian crease is seen in : Down&;s syndrome Fetal alcohol sydrome Trisomy 13 Cri du chat syndrome Ref: Online resources