...21-HydroxylaseDeficiency2白化病Albinism3Alport综合征AlportSyndrome4肌萎缩侧索硬化AmyotrophicLateralSclerosis5Angelman氏症候群（天使综合征）AngelmanSyndrome6精氨酸酶缺乏症ArginaseDeficiency7热纳综合征（窒息性胸腔失养症）AsphyxiatingThoracicDystrophy(Jeune...