either aphidicolin- or thymidine-synchronized human hl-60 cells were used to study the replication pattern of a family of human repetitive dna sequences , the eco ri 340 bp family ( alpha ri-dna ) , and of the ladders of fragments generated in total human dna after digestion with xbai and haeiii ( alpha satellite sequences ) .
C0598312
replication
C0012854
dna