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What singing fruit flies can tell us about quick decisions
Date:3/20/2014

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The researchers then placed a sexually mature male and female in the chamber to record the sounds of their courtship. The researchers genetically altered certain groups of flies so that they lacked specific senses. For instance, one group of males could not see, while another group was mute. Certain females were deaf, and nearly all the females were blind and invulnerable to pheromones to ensure that they responded selectively to a male's song.

The researchers found that, in general, males sang loudly or produced more pulses when females were farther away and moving quickly. Upon catching up to a female, males shifted to a song with more of the quieter sines. But various factors could change an encounter's outcome. For instance, males needed to be able to see the female to be attuned to her cues. Blind males and normal males plunged into darkness did not change their songs in response to female activity. Recept
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Contact: Morgan Kelly
mgnkelly@princeton.edu
609-258-5729
Princeton University
Source:Eurekalert  

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