Article
Internalized Evolutionary Inertia on Body Plan Evolution.
Evolution & development - 1 Jun 2026
Zeng Wenxin, Irie Naoki
Abstract excerpt
Despite the phenotypic diversity of animal species, the basic anatomical features, or body plan, of each animal phylum have been strictly conserved since their initial establishment in the early Cambrian. While this remarkable conservation could be explained by the conservation of the mid-embryonic phase (the developmental hourglass model) when the body plan is established, the underlying evolutionary mechanisms...
Read the complete abstract on PubMedTopics
Share this publication in a Topic to start or enrich a Post.
