Mutant (homozygous or heterozygous over a null allele) self dendrites of class I dendritic arborization neurons avoid each other as in wild type controls.

Mutant (homozygous or heterozygous over a null allele) self dendrites of class I and class III dendritic arborization neurons overlap similarly to wild type.

Mushroom body morphology of these mutants is indistinguishable from wild type.

The axonal branching patterns of mutant posterior scutellar neurons are indistinguishable from controls.

Dendrites of class I da neurons do not show defects in self-avoidance in Dscam^C22-1 larvae.

Single cell clones of mushroom body α/β neurons that are homozygous for Dscam^C22-1 acquire two primary axonal branches that divergently extend away from each other, as occurs in wild-type single cell α/β neuron clones.