title: Genetic testing for Prader-Willi and Angelman syndromes.
mesh_terms: D017204:Angelman Syndrome / Q000175:diagnosis* / Q000235:genetics; D015139:Blotting, Southern; D002869:Chromosome Aberrations; D002884:Chromosomes, Human, Pair 15; D003937:Diagnosis, Differential; D005820:Genetic Testing / Q000379:methods*; D006801:Humans; D017404:In Situ Hybridization, Fluorescence; D007621:Karyotyping; D016133:Polymerase Chain Reaction; D011218:Prader-Willi Syndrome / Q000175:diagnosis* / Q000235:genetics