Biologists discover a gene critical to the development of columbines' iconic spurs - Phys.org

Once in a while, over the history of life, a new trait evolves that leads to an explosion of diversity in a group of organisms. Take wings, for instance. Every group of animals that evolved them has spun off into a host of different species—birds, bats, insec… https://phys.org/news/2020-08-biologists-gene-critical-columbines-iconic.html