British zoologist Lancelot Hogben was studying African clawed frogs (Xenopus laevis) when he noticed that their skin color would change depending on the growing environment. He hypothesized that ...

A female African clawed frog, Xenopus laevis, was housed at the Biological Resources Facility of North Carolina State University in a tank with two other females. The frog was ∼1.5 years old and ...

More information: Ben J Evans et al, Rapid Sex Chromosome Turnover in African Clawed Frogs (Xenopus) and the Origins of New Sex Chromosomes, Molecular Biology and Evolution (2024). DOI ...