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染色体畸变的群体发生率约为0.4％。由于9号染色体的脆性,因此在重排的染色体中,涉及到9号染色体的畸变是较为常见的,尤其是9号染色体臂间倒位,其群体发生率约为1％。本文报告了一个家族性9号染色体臂间倒位的病例。
Chromosome aberration population incidence of about 0.4%. Due to the fragility of chromosome 9, chromosome 9 chromosome rearrangements involving chromosome 9 are more common. In particular, chromosome 9 is inversed between arms with a population incidence of about 1%. This article reports a case of familial chromosome 9 inversions between arms.