Cloned by Blumberg et al. (1991). Homeobox gene expressed in the dorsal lip, then in head mesoderm.
A. B. C.
A. Late blastula. Dorsal is to the right.
B. Mid gastrula. Dorsal is to the right.
C. Early gastrula, dorsal is up.
These three photographs were submitted by Susie Zoltewitz.
D. E.
D. Early gastrula (late blastula?), vegetal view. The dorsal lip is stained. Photo from Randy Moon.
E. Gastrula. Dorsal is to the right. Photo by Susie Zoltewitz.
Link to the DeRobertis goosecoid web page
B. 
C. 
E. 
