Unraveling the heritage of lost traits.
Alexa SadierKaren E SearsMolly A AlbeckerPublished in: Journal of experimental zoology. Part B, Molecular and developmental evolution (2021)
We synthesize ontogenetic work spanning the past century that show evolutionarily lost structures are rarely entirely absent from earlier developmental stages. We discuss morphological and genetic insights from developmental studies reveal about the evolution of trait loss and regain.