Allemand R, Biston J, Fouillet P
Laboratoire de Génétique des Populations, U.A.-C.N.R.S., Université Claude-Bernard, Lyon-I.
C R Acad Sci III. 1989;309(11):477-83.
With an actographic recorder (IR emitter), the genetic variability in the circadian rhythm of locomoter activity has been analysed within a natural population of D. melanogaster. The activity pattern shows differences between sexes and environmental conditions (photoperiod LD or continuous darkness). In free running conditions, the period and the amplitude of the activity peaks differ between isofemale lines.