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Unformatted text preview: disability is a significant sub average of general intellectual functioning. Generally boys have a higher amount of these disabilities than girls do. Extra chromosomes cause Down syndrome and one out of 733 children are born with this syndrome. Fragile X syndrome affects about one in every 2,300 children. It is caused by a mutation in the x-chromosomes. Prader-Willi Syndrome is a mutation in the fifteenth chromosome and affects one in 15,000 children. Fetal alcohol syndrome is caused by women drinking during pregnancy and affects two out of every one thousand children. All of these are examples of either intellectual or developmental disabilities....
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This note was uploaded on 06/02/2011 for the course EDP 256 taught by Professor Catania during the Spring '10 term at Miami University.
- Spring '10