the second most common genetic cause of intellectual disability=fragile X syndrome(FXS)
(CGG)n (protruding)Chin, Giant Gonads(after puberty)
+★autism, ☆large head,★ large ears
FXS is caused by a mutation of the fragile X mental retardation 1 (FMR1) gene on the long arm of the X chromosome. FMR1 normally has 5 to 55 CGG trinucleotide repeats and can potentially expand during meiosis in oocytes. "Full mutation" is characterized by >200 CGG trinucleotide repeats, which causes FMR1 ☆h...
genetics
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Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?
Memorize
