(C) Representative IF-FISH images of mitotic spreads in non-treated cell (NT) and following a CENP-AOFF/ON cycle (IAA WO). Chromosomes are contoured by a green (X), magenta (Y) or white (other autosomes) dashed line. The centromeres of chromosome X/Y are highlighted by a green/magenta arrow. Scale bar, 2 µm. 