In walnuts, they found two variants of a gene linked to female-first or male-first flowering. This DNA polymorphism appears in at least nine species of walnut and has been stable for almost 40 ...

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 ...

The genetics behind the alternating sexes of walnut trees has been revealed by biologists at  UCDavis. The research reveals a mechanism that has been stable in walnuts and their ancestors ...