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3代家谱用图示法表示家庭内发生的疾病,也是评价疾病相关的遗传因素最有效的方法。3代家谱已经成为诊断中的考虑事项,也用于少见单一基因或染色体紊乱的风险评价。在常见病风险评估中,家族史的效用日益增加得到了证实,大多数常见病是由环境因素和多种基因的变异共同造成的,与人
Genealogy of 3 generations is a graphic representation of diseases that occur in the family. It is also the most effective method for evaluating disease-related genetic factors. Three-generation genealogy has become a diagnostic consideration and is also used to assess the risk of rare single-gene or chromosomal disorders. In the common disease risk assessment, the increasing effectiveness of family history has been confirmed. Most common diseases are caused by environmental factors and mutations of multiple genes.