Bicoid is a cytoplasmic determinant that is highly concentrated in the anterior end of a fly egg.Which of the following is most likely to result if there was a mutation that resulted in Bicoid being expressed equally throughout the egg?
A)All the blastomeres would be similar to each other.
B)The blastomeres in the anterior end would produce posterior structures.
C)All of the blastomeres would produce anterior structures.
D)Blastomeres in the posterior would produce anterior structures.

Question

Quizplus · Accepted Answer

Bicoid is necessary for the formation of anterior structures of the fly embryo. If there was a mutation that resulted in Bicoid being expressed equally throughout the egg, all of the blastomeres would produce anterior structures.

Bicoid Is a Cytoplasmic Determinant That Is Highly Concentrated in the Anterior