One of the most frequently occurring chromosomal abnormalities found in humans, 1 to 800-1,000 live births
•Flat facial profile, a somewhat depressed nasal bridge and a small nose
•Oblique palpebral fissures, an upward slant to the eyes
•Dysplastic ear, an abnormal shape of the ear
•Simian crease, a single deep crease across the center of the palm
•Enlargement of tongue in relationship to size of mouth
•mental retardation, IQ 50
•
16.2 year life expectancy
One of the most frequently occurring chromosomal abnormalities found in humans, 1 to 800-1,000 live births •Flat facial profile, a somewhat depressed nasal bridge and a small nose•Oblique palpebral fissures, an upward slant to the eyes•Dysplastic ear, an abnormal shape of the ear•Simian crease, a single deep crease across the center of the palm•Enlargement of tongue in relationship to size of mouth•mental retardation, IQ 50•16.2 year life expectancy
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