{"product_id":"2940149101825","title":"Families and Fragile X Syndrome","description":"Fragile X syndrome (also called Fragile X) is\u003cbr\u003ethe most common inherited form of mental\u003cbr\u003eretardation.* It results from a change, or\u003cbr\u003emutation, in a single gene, which can be passed\u003cbr\u003efrom one generation to the next. Fragile X appears\u003cbr\u003ein families of every ethnic group and income level.\u003cbr\u003eSymptoms of Fragile X syndrome occur\u003cbr\u003ebecause the mutated gene cannot produce\u003cbr\u003eenough of a protein that is needed by the\u003cbr\u003ebody’s cells, especially cells in the brain,\u003cbr\u003eto develop and function normally. The\u003cbr\u003eamount and usability of this protein, in\u003cbr\u003epart, determine how severe the effects of\u003cbr\u003eFragile X are.\u003cbr\u003eThe most noticeable and consistent effect of Fragile X\u003cbr\u003eis on intelligence. More than 80 percent of males\u003cbr\u003ewith Fragile X have an IQ (intelligence quotient) of\u003cbr\u003e75 or less.1 The effect of Fragile X on intelligence is\u003cbr\u003emore variable in females. Some females have mental\u003cbr\u003eimpairment, some have learning disabilities, and\u003cbr\u003esome have a normal IQ.","brand":"ReadCycle","offers":[{"title":"Default Title","offer_id":47067976532208,"sku":"2940149101825","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940149101825_p0.jpg?v=1763712527","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940149101825","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}