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What are the chances of a person with fragile x syndrome to pass to their offspring (include scenarios)? |
any possible scenarios Fragile X syndrome is the most commonly inherited form of mental retardation. Although it is thought to be an X-linked recessive trait with variable expression and incomplete penetrance, 30% of all carrier women are also affected. The syndrome is called 鈥渇ragile-X鈥?because there exists a fragile site or gap at the end of the long arm of the X-chromosome in lymphocytes of affected patients when grown in a folate deficient medium. Sorce listed is old, out-dated and inaccurate. Female carrier or full-mutation 50/50 chance of passing it on with each pregnancy. Male carrier or full-mutation will pass to all daughters but they will be pre-mutations, carriers. Report It |
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My grandson has Fragile X;my daughter and son and I are carriers. Grandson has taken meds that have zoned himout.Now taking topomax. Contact FRAXA for info. also in Staten Island the IBR (Infant an... I know many people with Fragile X Syndrome, a genetic disorder that is associated with secondary Autism. There are various Fragile X support groups iin my area, as well. Were you searching for sp... Causes X-linked recessive inheritanceThe fragile X syndrome is a genetic disorder caused by mutation of the FMR1 gene on the X chromosome. Mutation at that site is found in 1 out of about every... Has you been offered a neuropsychology evaluation? It won't identify a physical syndrome per se, but it can identify brain-based behavior abnormalities (what areas of the brain may be contrib... It is not yet known exactly what causes clubfoot but it is probably a combination of genetic and other reasons. It can't be totally genetic because in 2/3 of cases in identical twins only one... It is not a) because Down syndrome is caused by nondisjunction, that is, failure for a chromosome to separate from its sister chromatid during meiosis. It is also not b) because Edward syndrome is ... hello i have a son with fragile x he was diagnosed when he was 3 (now 8) he is the light of my life. I so look forward to his smile every morning. My son also has alot of other medical problems i... life is hard. i have it. sometimes i like to sit in my room and kill myself. it isn't that fin but it keeps me occupied ... |
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