Plants may have a single ancestor

(PhysOrg.com) -- An international group of scientists has analyzed the DNA of primitive microscopic algae, and their findings suggest that all plants on Earth may have had a single ancestor.

Jumping gene enabled key step in corn domestication

Corn split off from its closest relative teosinte, a wild Mexican grass, about 10,000 years ago thanks to the breeding efforts of early Mexican farmers. Today it's hard to tell that the two plants were ever close kin: Corn ...

Rapid burst of flowering plants set stage for other species

A new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago, ultimately leading to the formation of ...

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