the high rate of sister chromatid exchange ( sce ) characteristic of cultured somatic cells from patients with bloom 's syndrome ( bs ) was found to be fully corrected in bs chromosomes retained by somatic cell hybrids between chinese hamster cells ( cho-yh 21 ) and bs fibroblasts ( gm 1492 ) , independent of the type and the number of human chromosomes retained .
C0007634
cells
C0016030
fibroblasts