bs3 and bs3/In(2LR)Px4 mutants do not increase sleep after social enrichment.
bs3 mutants show an altered period under constant darkness. All other circadian rhythms are intact and bs3 mutants show anticipatory activity before light-dark transitions.
Homozygotes have an extremely blistered wing.
RK2.
Swigert, April 1931.
H.A. Swigert
bs3/px shows wing effect owing to additive semidominance; was originally interpreted to indicate allelism.
Classification is easy in most stocks.