A father and daughter with fragile X chromosome.
نویسندگان
چکیده
منابع مشابه
گزارش یک مورد سندرم ایکس شکننده همراه با ناهنجاری انگشتان
Fragile X Syndrome, the most common cause of inherited mental retardation, results from mutation in fragile X mental retardation gene (FMR1) on long arm of X chromosome, Xq27.3. Clinical features include moderate to severe mental retardation without neurologic deficit, long face, large ears, prominent jaw, macro-orchidism, attention deficit, behavior di...
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ABSTRACT The fragile X syndrome is the most frequent cause of inherited mental retardation. The fragile site is on the long arm of X chromosome in X q27.3 region. Incidence of syndrome is 1 in 2000 in males and 1 in 2500 in females. This fragile site is visible only with using of special cultural technices. Since females have two X chromosomes, this signs apear less than males. The females who...
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ورودعنوان ژورنال:
- Journal of medical genetics
دوره 20 6 شماره
صفحات -
تاریخ انتشار 1983