and Altheide compare human and chimpanzee genomes to explore the
relationship of primate evolution human physiology and disease.
Their work suggests the last common ancestor of humans and chimpanzees
dates to 5 to 7 million years ago (Mya). The difference between
the two genomes is actually not often quoted 1%, but about 4% based
on 35 million single nucleotide differences.
Varki A, Altheide TK, Comparing the human and chimpanzee genomes:
Searching for needles in a haystack. Genome Research, 15 (12): 1746-1758