A key outstanding issue in adaptive evolution is the relationship between the genetics of intraspecific polymorphism and interspecific evolution. Here, we show that the pale/dark ventral plumage ...

An interesting new study published on the preprint server medRxiv* discusses the role of a mucin gene enhancer on the clinical phenotype of the coronavirus disease 2019 (COVID-19), possibly by ...

Heterostyly, a floral polymorphism where a species produces two or three distinct flower types with reciprocal arrangements ...

This is a preview. Log in through your library . Publisher Information Annual Reviews was founded in 1932 as a nonprofit scientific publisher to help scientists cope with the ever-increasing volume of ...

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 ...

Pre-eclampsia is a pregnancy disorder that is characterized by high blood pressure and the presence of protein in the urine. The condition typically arises after 20 weeks of pregnancy and in severe ...

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 million years -- and ...

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 ...