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Darwin was wrong about the wild origin of the chicken
Date:2/29/2008

but its regulation is modified.

Our study is a clear example of the importance of regulatory mutations in the course of evolution. What we dont know is why humans bred this characteristic. Maybe chickens with bright yellow legs were seen as being healthier or more fertile than other chickens, or were we simply charmed by their distinct appearance" wonders Professor Leif Andersson, who directed the project.

The scientists believe that the same gene may well be of significance in explaining the pink color of the flamingo, the yellow leg color of many birds of prey, and the reddish meat of the salmon. These characteristics are all caused by carotenoids. The gene may also influence the skin color of humans to some extent.


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Contact: Leif Andersson
leif.andersson@imbim.uu.se
46-070-514-4904
Uppsala University
Source:Eurekalert

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GOOD

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