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- W2048771567 abstract "Summary This paper describes two attempts to select for high and low levels of spontaneous activity in Deosophila melanogaster. In the first experiment the selection procedure necessitated using 25 flies at a time in the selection apparatus. The results were that the levels of reactivity between flies were changed and not spontaneous activity. These changes were found to have effects on the courtship behaviour of the flies. The mutual interference between flies from the lines showing a high degree of reactivity decreased the efficiency of courtship. This was shown to be due to both males and females. Reduced interference between flies from the lines showing lowered reactivity resulted in courtship behaviour that contained more of the high threshold courtship elements. In the second experiment selection was based on the activity of individual flies. A response for lowered activity was obtained in the selection apparatus but not for increased activity. An analysis of this change showed that once again selection had failed to change the level of spontaneous activity. Selection was based on the speed with which flies passed through a series of chambers connected by narrow funnels. In this case selection had resulted in lines of flies which were unwilling to enter confined spaces, such as the funnels. This “claustrophobic” effect was shown to be due to the flies reacting to visual stimuli from the sides of the funnels." @default.
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- W2048771567 date "1963-04-01" @default.
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- W2048771567 title "Attempts to select for spontaneous activity in Drosophila melanogaster" @default.
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- W2048771567 doi "https://doi.org/10.1016/s0003-3472(63)80128-1" @default.
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