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Fig. 7. Mutations in mei-W68 suppress the mio mutant phenotype.
Ovarioles from mio2 (A) and a
mio2, mei-W681
double mutant (B), stained with Hoechst (blue) and
Orb (red). Unlike
the single mutant, oocytes from double mutants form normal karyosomes (arrows)
and accumulate Orb protein beginning in region 2a (arrowheads). Although most
mio2, mei-W681 egg
chambers develop normally, some abnormalities are observed, such as the
mispositioning of the oocyte (see third egg chamber in B where the oocyte is
located in the center, rather than the posterior, of the egg chamber).