Medical Definition of Fragile x chromosome

1. X chromosome with a fragile site associated with a frequent form of mental retardation. The fragile X chromosome was first sighted by Herbert A. Lubs in 1969. The fragile X is also called FRAXA (the second A signifies it was the first FRAgile site found on the X chromosome). It is due a trinucleotide repeat (a recurring motif of 3 bases) in the DNA at that spot. (12 Dec 1998)



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Lexicographical Neighbors of Fragile X Chromosome

fraenula
fraenulum
fraenum
fraenums
frag
fragged
fragger
fraggers
fragging
fraggings
fragile
fragile X
fragile fern
fragile site
fragile x chromosome (current term)
fragilely
fragileness
fragiler
fragilest
fragilitas
fragilitas crinium
fragilitas sanguinis
fragilities
fragility
fragility of the blood
fragility test
fragilization
fragilizations
fragilocyte

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