Which is not a feature of Edwards' syndrome?: (A) Mental retardation, (B) Stunting of growth, (C) Hypotonia, (D) Congenital disease
Answer is C. Edwards' syndrome (trisomy 18) 47,XY,+18 or 47,XX,+18 Early lethality, characteristic skull and facies, frequent malformations of hea, kidney and other organs Ref - Davidson 23e pg 44