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Butterflies change wing color in new Yale research
Date:8/5/2014

erfly wings was achieved by changing the relative thickness of the wing scales specifically, those of the lower lamina. It took less than a year of selective breeding to produce the color change from brown to violet.

One reason Bicyclus anynana was chosen for the experiment, Monteiro said, was because it has cousin species that have evolved violet colors on their wings twice independently. By reproducing such a change in the lab, the Yale team showed that butterfly populations harbor high levels of genetic variation regulating scale thickness that lets them react quickly to new selective conditions.

"We just thought if natural selection has been able to modify wing colors in members of this genus of butterfly, perhaps so can we," Monteiro said.


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Contact: Jim Shelton
james.shelton@yale.edu
203-432-3881
Yale University
Source:Eurekalert  

Page: 1 2

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