Charles Darwin first used the "tree of life" analogy for evolution.
Using ribosomal genes, molecular
methods confirmed our expectations.
Using many genes obscured the tree
and challenged to our world view.
New vision of evolution offers
a new image: Ring of Life.
Our cells are the result of two genomes fusing.
We are half Eubacteria and half Archaea.
© Copyright 2005. Malcolm Campbell. Department of Biology, Davidson College, Davidson, NC 28035
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