study_ing Forum Fanatic

Topics: 180 Posts: 2,511
| | 06/09/06 - 05:46 PM  
 
   
 
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well wanted to share about what i found confusing mental retardation •most common genetic cause is down's...most common overall cause is fetal alcohol syndrome •Fragile X syndrome is the most common inherited form of mental retardation and, after Down syndrome, its most common genetic form. this si what emedcine said..(<?xml:namespace prefix = p ns = "urn:schemas-microsoft-com:officeowerpoint" />http://www.emedicine.com/med/topic3095.htm) •Most cases of Down syndrome are not inherited, but occur as random events during the formation of reproductive cells (eggs and sperm). (cdc)
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