论文部分内容阅读
Down 综合征核型不同,其临床症状有所差异。21/21易位型比21—三体型症状更严重,表现出早产、小眼和心脏病。
Down syndrome different karyotype, the clinical symptoms are different. 21/21 translocation than the 21-trisomy Symptoms more severe, showing premature birth, small eyes and heart disease.