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Focus: According to Susan Dymecki and her colleagues, a gene expressed in the developing brain may eventually also have been expressed in the tips of growing limbs, helping to bring about the emergence of fingers and toes in the first vertebrates. "So the idea is you get expansion of gene expressionnot expression of a new gene," Dymecki says. |
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HeadlinesLiver Cirrhosis in Mice Inhibited by Telomerase Gene Therapy Bird Brain Yields Bright Idea on Brain Repair
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