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遗传性疾病是一类能够传递给后代的疾病，具有遗传性、家族聚集性和先天性等临床特点，由于基因治疗目前尚处于探索阶段，其还具有终生性。遗传性疾病是由于染色体或位于其中的基因发生了对人体有害的改变而引起的，据此临床上将其分为两大类。１ 染色体病 正常人有２３对４６?
Hereditary diseases are a class of diseases that can be passed on to offspring. They are characterized by heredity, familial aggregation and congenital diseases. Because gene therapy is still in the exploratory stage, it is still lifelong. Hereditary diseases are caused by the deleterious changes of human chromosomes or the genes located in them. According to this, they are divided into two major categories. 1 chromosome disease normal 23 pairs of 46?