TRISOMY 18: Edwards syndrome or trisomy e is caused by extra chromosome 18 consisting of mental retardation, severe microcephaly and many developmental anomalies.
Answered 10/1/2015
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Edwards Syndrome: Trisomy 18 - chromosomal condition in 1/5,000 to 6,000 live births due to random events while egg or sperm form.Usually not inherited. 5 to 10% live past 12 months. May have small jaw, mouth & head, low-set ears, short sternum, heart defects, low birth wt, clenched fists, contracted joints, seizures, scoliosis, spina bifida, high BP, cleft palate & lip, hearing loss & mental retardation.
Answered 7/28/2020
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