Approximately 63% of homozygous Pdf01 mutants display rhythmic locomotion.
Approximately 62% of heterozygous Pdf01 mutants display rhythmic locomotion.
Approximately 87% of transheterozygous Pdf01/Df(1)N19 mutants display rhythmic locomotion.
pdfrP1 mutants can entrain to a 12:12 LD regimen.
pdfrP1 homozygotes produce approximately 37% arrhythmicity in locomotion.
pdfrP1 homozygous flies display a strong negative geotaxis phenotype. pdfrP1 heterozygous flies appear to exhibit wild-type geotaxis behaviour.