Fig. 5

mxc ^G43 mutants increase polytenization in under-replicated regions. a, b Polytenization profiles in two under-replicated regions 25A and 75C were built using qPCR in mxc ^G43 mutants (red) and their wild type siblings (blue). c Polytenization levels of the tags from the pericentric heterochromatin were assessed with qPCR. Although located in pericentric heterochromatin, Gbp5 gene is 100% polytenized in all genotypes and is shown for comparison. mxc ^G43 mutation affects under-replication in both pericentric heterochromatin and in the late replicating regions scattered along chromosomal arms