Answer to Question 1
A
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Sturge-Weber syndrome is an example of a neurocutaneous syndrome. Marfan syndrome, Apert syndrome, and achondroplasia are autosomal dominantly inherited genetic disorders.
Answer to Question 2
D
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Prader-Willi syndrome involves an abnormality on chromosome 15 . Cri-du-chat involves an abnormality on chromosome 5; Wolf-Hirschhorn syndrome involves an abnormality on chromosome 4; and Beckwith-Wiedemann syndrome involves an abnormality on chromosome 11 .