title: Heterochromatinization of human X-chromosomes: classification of replication profile.
abstract: The replication profiles of human X-chromosomes are studied by RBA-technique. It is suggested that the late replicating X-chromosome can be arbitrarily classified into 8 types. Furthermore, data suggest that the individual cells are under self-control pertaining to the inactivated X-chromosome. This may reflect that the altered chromatin may not be uniform in the process of inactivation.
mesh_terms: D004261:DNA Replication; D004303:Dosage Compensation, Genetic; D006570:Heterochromatin / Q000502:physiology*; D006801:Humans; D014960:X Chromosome / Q000502:physiology*
chemical_list: D006570:Heterochromatin