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Jan. 2, 2025 — Biologists have revealed genetics behind the alternating sexes of walnut trees. The research reveals a mechanism that has been stable in walnuts and their ancestors going back 40 ...

If you’re a female moth, finding the best plant to host your young may be as simple as taking a close listen. When low on water, some plants make high-pitched clicking noises, inaudible to humans.

Here, we use the haploid plant Marchantia polymorpha to assess gene dosage control in its short-lived diploid embryo. We show that throughout embryogenesis, paternal chromosomes are repressed ...