This Week in PNAS

In this week's issue of PNAS, Belgian scientists looked at duplication events in flowering plants to find that the majority of the independent genome duplications coincide in time with the Cretaceous-Tertiary extinction event, which is thought to have wiped out the dinosaurs as well as many species of plants. Those with double genomes, they argue, had a better chance to survive.

To read the full story....

Register for Free.

...and receive Daily News bulletins.

Already have an account?
Login Now.