Which clinical manifestations would be expected for a child who has complete trisomy of the twenty-first chromosome?

Question

Quizplus · Accepted Answer

Individuals with this disease are mentally retarded,with IQs usually ranging from 25 to 70.The facial appearance is distinctive and exhibits a low nasal bridge,epicanthal folds (which produce a superficially Asian appearance),protruding tongue,and flat,low-set ears.The correct option is the only one that accurately describes the clinical manifestations of the complete trisomy of the twenty-first chromosome.

Which Clinical Manifestations Would Be Expected for a Child Who