Question

Fragile X syndrome, characterized by mental retardation, is caused by which chromosomal change?

Answer 1

Answer:

Fragile X results from a change or mutation in the Fragile X Mental Retardation 1 (FMR1) gene, which is found on the X chromosome. The gene normally makes a protein called Fragile X Mental Retardation Protein, or FMRP.

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