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  • Researchers show how one gene becomes two (with different functions)

    Illinois animal biology professor Christina Cheng led a study that traced the evolution of a gene for an antifreeze protein in an Antarctic fish from the gene for a protein with an entirely different function.

    Illinois animal biology professor Christina Cheng led a study that traced the evolution of a gene for an antifreeze protein in an Antarctic fish from the gene for a protein with an entirely different function.

    Photo by L. Brian Stauffer

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  • Editor's note: To contact Christina Cheng, call 217-333-4245; e-mail c-cheng@illinois.edu. The paper, “Evolution of an Antifreeze Protein by Neofunctionalization Under Escape From Adaptive Conflict,” is available online.