Homozygous clones show defects in tracheal cell migration during morphogenesis of the dorsal air sac primordium; less than 40% of clones reach the distal tip of the primordium.
Homozygous border cell clones show defects in migration.
Duplicated copy of Mhc present on Dp(2;3)osp3 is sufficient to rescue lethality.
Mogami.