When the Bicoid Protein Is Expressed in Drosophila, the Embryo

Multiple Choice

When the Bicoid protein is expressed in Drosophila, the embryo is still syncytial (divisions between cells are not yet fully developed) . This information helps to explain which observation by Nüsslein-Volhard and Wieschaus?

A) mRNA from the egg is translated into the Bicoid protein.
B) Bicoid protein diffuses throughout the embryo in a concentration gradient.
C) Bicoid protein serves as a transcription regulator.
D) Bicoid protein determines the dorsoventral axis of the embryo.