
Characteristics of the zebrafish replication timing program. (A,B) Timing distribution histograms for 28 hpf zebrafish and ZTF cells. (C–H) Replication timing does not correlate with the percentage of GC content in 28 hpf embryos (C) or ZTF cells (D), or with repeat density in 28 hpf embryos (E) or ZTF cells (F), but it does correlate with gene density in 28 hpf embryos (G) and ZTF cells (H). Color bars represent the fraction (percentage) of maximum density plotted.











