Latest Issue of Science News


Duplication in genomes may separate humans from apes

A sudden peak in copying and rearranging of DNA shaped great ape species

Although it may not be as dramatic as the Big Bang birthing the universe, an explosion of DNA duplication in the common ancestor of humans, chimpanzees and gorillas may be responsible for many of the differences among the species, a new study suggests. The big blowup happened 8 million to 12 million years ago, but its effects are still apparent today.

Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.

This article is available only to subscribing members. Join SSP today or Log in.