ZooDiversity Web is a search and access website that provides an attractive and easy-to-use internet search engine and showcase for scientific papers published since 1984 in the English-language journal of the Zoological Society of Japan (Zoological Science). These papers include over 4,000 peer-reviewed articles on a great diversity of over 13,000 different species of animals.
The chordate ancestor possessed a single copy of the Brachyury gene for notochord acquisition
The T-box family transcription-factor gene, Brachyury, has two expression domains with discrete functions during animal embryogenesis. The primary domain, associated with the blastopore, is shared by most metazoa...