Bicoid
Bicoid is the protein product of a maternal-effect gene unique to flies of the genus Drosophila. In 1988 Christiane Nüsslein-Volhard identified bicoid as the first known morphogen.
Bicoid is the protein product of a maternal-effect gene unique to flies of the genus Drosophila. In 1988 Christiane Nüsslein-Volhard identified bicoid as the first known morphogen.