Chimp Genome Unveiled


http://www.newscientist.com/article.ns?id=dn7930

The genome of our closest living relative ? the chimpanzee ? has been
released by an international consortium of scientists.

The chimp genome sequence, which consists of 2.8 billion pairs of DNA
letters, will not only tell us much about chimps but a comparison with
the human genome will also teach us a great deal about ourselves.
...
In keeping with previous studies comparing much smaller portions of the
chimp and human genomes, the new comparison shows incredible similarity
between the genomes. The average number of protein-changing mutations
per gene is just two, and 29% of human genes are absolutely identical.
What is more, only a handful of genes present in humans are absent or
partially deleted in chimps.
...
The real challenge then will be finding the changes that played a major
role in the evolution of chimps and humans since the two lineages split,
5 to 8 million years ago. Nothing obvious has leapt out of the initial
analysis. ?From this study, there?s no silver bullet of what makes chimps
chimps and humans humans,? says Evan Eichler of the University of
Washington at Seattle, US.
...
.

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