Division of Developmental Disabilities Services The Learning Curve “Enhancing the Knowledge of DDDS Professionals” Supplemental Review Questions September 8, 2008 / Volume 2, Issue 2 Facts About Fragile X Syndrome True / False (Circle one): 1. T F Fragile X syndrome is the most common genetically-inherited form of mental retardation currently known. 2. T F The effect of X-linkages is that the frequency of the syndrome is greater in females than males. 3. T F If a woman is a carrier, each of her children has a 50 percent chance of inheriting her Fragile X gene. 4. T F There is only two prenatal tests that can reliably determine if Fragile X is present in the fetus. 5. T F Children with Fragile X syndrome are more prone to recurrent inner ear infections. Fill in the Blanks: 6. The observable characteristics of Fragile X occur in approximately 1 in 1,000 ________ births and 1 in 2,500 ________ births. 7. Individuals with Fragile X may have a cluster of __________, _____________, _________, and other characteristics. 8. Children with Fragile X have strong reactions to changes in their _______________, and their heightened anxiety can compound their behavioral difficulties. 9. Congressional legislation (Public Law ___ - _____) mandates early intervention services for children with developmental delays, ages 3 to 5 years. 10. Many females with Fragile X syndrome are learning disabled in ______, but perform exceptionally well in _______ and _________.