a higher incidence of scr sites than expected on the basis of chromosome length occurred in chromosomes 2 , 4 , 5 and 15 in both the rpmi 5966 and mel57 melanoma cell lines , and in chromosomes 1 , 5 , 13 and 15 of the ijkt and guvw astrocytoma cell lines .
C1519334
scr
C0008633
chromosome