Which one of the following is a distinguishing feature of Edward's syndrome: (A) Hypotonia, (B) Hypotelorism, (C) Holoprosencephaly, (D) Rocker bottom feet
Answer is D. Rocker bottom foot, also known as congenital vertical talus, is an anomaly of the foot.
It is characterized by a prominent calcaneus (heel bone) and a convex rounded bottom of the foot.
It gets its name from the foot's resemblance to the bottom of a rocking chair.