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By studying chimpanzees, scientists are honing their genetic view of humanity, researchers told this week's meeting of the Human Genome Organisation in Cancun, Mexico.
The data call for some revision of the estimated genetic similarity between us and our closest relatives. Previously, human and chimp genetic sequences were quoted as being nearly 99% identical, with a difference of only a few DNA's letters. In fact, the similarity may be as low as 94-95%, says Todd Taylor of the RIKEN Genomic Sciences Center in Yokohama, Japan.
File Date: 05.10.03