partially lethal - majority die | recessive
Phenotype is similar to ap4. Homozygotes are weak and short-lived; either ap5 is near lethal as a homozygote or the mutation is closely linked with a near-lethal.
RK2.
ap5 has phenotype, enhanceable by apb1
ap5 is an enhancer of phenotype of apb1
ap4
Byers, June 1949.
Byers, June 1949