Chimps and humans not so similar after all
Scientists have compared the "letter" sequence on the DNA of the smallest human and chimp chromosomes. Considering the oft-repeated claim that human and chimp DNA differs by less than 2%, the researchers were surprised to find that the real difference was much larger. It appears that previous estimates of overall difference only took into account "letter" substitutions and not deletions and insertions. Inclusion of deletions and insertions increases the difference to at least 7.7%.
The researchers were surprised at the amount of difference, which they did not expect from their evolutionary view of human origins.
(Answers in Genesis, from "Nature," 27 May 2004, pp. 382–388).