Which Clinical Manifestations Would Be Expected for a Child Who

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

A) Widely spaced nipples, reduced carrying angle at the elbow, and sparse body hair
B) An IQ of 25 to 70, low nasal bridge, protruding tongue, and flat, low-set ears
C) High-pitched voice, tall stature, gynecomastia, and an IQ of 60 to 90
D) Circumoral cyanosis, edema of the feet, short stature, and mental slowness

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