from Hacker News

A new map of arthropod evolution, from fossils to embryos

by docmechanic on 4/27/25, 5:34 PM with 1 comments

  • by docmechanic on 4/27/25, 5:34 PM

    'This model not only challenges traditional distinctions between short-germ and long-germ development—terms that refer to how many segments are defined early in an embryo's life—but also reframes the role of well-known genetic regulators such as Hox genes in defining segment and tagma identity.'