the reaction of x-chromatin of interphase nuclei was expressed in the increase of the percentage of cells with x-chromatin . beta-merceptoethanol removed a condensing effect induced by spermine on the diffused chromatin of interphase cultured fibroblasts . beta-mercaptoethanol caused a differential staining of metaphase chromosome when added to the cultured cells 0.5 hours prior to fixation .
C0007634
cells
C0016030
fibroblasts