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概述智力低下的遗传成因,包括染色体畸变、单基因突变、多基因遗传、线粒体基因突变及其它智力低下新成因,分析了各种遗传因素引起的智力低下的再发风险,并提出了相应的干预措施,以期为智力低下的诊断、治疗和预防提供科学的依据。
To summarize the genetic causes of mental retardation including chromosomal aberrations, single gene mutations, polygenic inheritance, mitochondrial gene mutations and other new causes of mental retardation, analyze the risk of recurrence of mental retardation caused by various genetic factors and put forward the corresponding intervention Measures to provide a scientific basis for the diagnosis, treatment and prevention of mental retardation.