Mutations can also occur within the regulatory regions of genes. Fragile X is an example of a disorder caused by one such mutation by increasing the length of the long arm of the X chromosome and ultimately decreasing mRNA stability. Which type of regulatory mutation causes Fragile X?

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asked Nov 22, 2012 in Genetics by GeneX ~Top Expert~ (7,947 points)

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triplet-repeat expansion

answered Nov 22, 2012 by GeneX ~Top Expert~ (7,947 points)

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