We show that, in different mammalian species, unrelated genome segments of different origins have been recruited to express as functionally homologous
PI the ancient and otherwise highly conserved ACC-a-encoding
gene.
抱歉啊，可能是粘贴有误，这其实是一句话，PⅠ是一个启动子，原文如下：We show that, in different mammalian species, unrelated genome segments of different origins have been recruited to express as functionally homologous PI the ancient and otherwise highly conserved ACC-a-encoding gene.
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shenhua7
