Such evidence has come from two domains: amino acid sequences and DNA sequences.
Proteins with the same 3-d structure need not have identical amino acid sequences;
any irrelevant similarity between the sequences is evidence for common descent. In
This box is horizontally centered by setting its right and left margin widths to "auto". This is the preferred way to accomplish horizontal centering with CSS, and works very well in most browsers with CSS2 support. Unfortunately, IE5/Win does not respond
This page should be small enough to demonstrate the second point. For a demo of the first
point using the same style, see
FooterDemo2. The stylesheet can be found at
FooterDemo.css. This has been tested and works in IE5
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