Table II. Summary of Drosophila centromere replication in vivo.

Chromosome	Timing of centromere replication
X	late S (2 h before M)
2	late S (2.5–3 min before M)
3	very late S (45–60 min before M)
4	very late S (45 min before M)
Y	very late S (45 min before M)
Dp8-23	late S (2 h before M)
Dpγ238	late S (2 h before M)
Dp10B	late S (2–3 h before M)
Dpγ1230	late S (2–2.5 h before M)
DpJ21A	mid to late S (3 h before M)
Dp26C	mid S (3–4 h before M)