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UC Davis graduate student Jeffrey Groh has discovered how walnut trees are able to produce flowers of different sexes at different times in the same season. The genetic mechanism is similar to sex ...

Add Yahoo as a preferred source to see more of our stories on Google. A walnut sapling being placed into the ground - Jan Dlutko/Shutterstock Planting the right type of tree can possibly make your ...

The genetics behind the alternating sexes of walnut trees has been revealed by biologists at UC Davis. The research — published Jan. 3 in Science — reveals a mechanism that has been stable in walnuts ...

The genetics behind the alternating sexes of walnut trees has been revealed by biologists at the University of California, Davis. The research, published Jan. 3 in Science, reveals a mechanism that ...

UC Davis scientists discovered how walnut trees switch between male and female flowering, a trait that’s been stable for 40 million years. The trees’ “sex timing” depends on two ancient gene variants ...