A neonate, on examination shows features of hypotonia and the following feature was observed. Probable chromosomal anomoly: (A) Patau syndrome, (B) Edward's syndrome, (C) Down's syndrome, (D) Noonan syndrome
Answer is C. Features of Down's syndrome:-

Flat face
Hypotonia at birth
Increased Intercanthal distance
Epicanthal folds
Low set ears
protruding spots
Iris - Brushfield spots
Blue dot Cataract
Simian crease (Single palmar crease)
Sandal gap.