[Effect of mutant genes with a known biochemical effect on the rate of conditioned motor reflex formation in honey bees].

The influence of inherited disturbance of metabolic transformations of aromatic aminoacid tryptophan on the speed of learning in T-shaped maze was studied in two groups of bees, homo- and heterozygote by chartreuse-red mutation. It was shown that in homozygote individuals, as compared to heterozygotes, the speed of learning in response to visual and tactile stimuli, is 3 times lower. It is suggested that the depressive effect of chartreuse-red mutation on learning is not limited to visual sensory deficiency but may be due to a biochemical shift in tryptophan metabolism, important for the activity of the nervous system.