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Pericentric inversions of chromosome 9 in Taiwanese fetuses
1Department of Obstetrics and Gynecology, College of Medicine, National Taiwan University, Taipei, R.O.C.
Abstract:
Using trypsin-Giemsa banding, a total of 1,350 unrelated Chinese fetuses were studied for pericentric inversion of chromosome 9 [inv(9) (p11; q13)]. Sixteen cases (1.2%) were found to have this variant. The prevalence was higher than that in a previous report on Asians. All the fetuses with inv(9) were born with a normal phenotype.