We are interested in surveying biological siblings of adults with developmental disabilities to find out what they would like to know, if anything, about new genetic tests that may be available for an individual with a developmental disability. Your responses will be kept confidential and you may skip any question that you prefer not to answer. Thank you!

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* 1. What is your relationship to the adult sibling with a developmental disability?

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* 2. Has your sibling been diagnosed with Prader-Willi, Fragile X or Down Syndrome?

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* 4. Please indicate the diagnosis if known for the sibling with a developmental disability.

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