Suppose the protein specified by bicoid were injected into Drosophila embryos,so that a high concentration was present everywhere in the embryo.What might be the result of such an experiment?
A)The embryos would grow larger than normal.
B)The embryos would show no development of posterior regions.
C)The embryos would show no development of anterior regions.
D)The embryos would halt their development.

Question

Quizplus · Accepted Answer

Bicoid is a morphogen that is crucial for the development of anterior structures in Drosophila embryos. If bicoid is present at high concentrations throughout the embryo, it would disrupt the normal gradient necessary for posterior development, leading to a lack of posterior structures.

Suppose the Protein Specified by Bicoid Were Injected into Drosophila