Fragile X

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					  Fragile X Syndrome




Note elongated face, prominent ears



Source: medgen.genetics.utah.edu
                             Fragile X Syndrome
                           Note variable expressivity




        Mitchell, age 4                          Connor, age 8


Source: www.fragile-x.ca
        Normal and Fragile X Neuron
(Note the extra number of synapses in the Fragile X neuron)
                               Fragile X Syndrome: Anticipation


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                          29                                      125




                                                 246                    288




                                      749              1036
HGSS: Carey: Figure 5.4

				
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