The graph below shows the normal concentration of morphogens A and B throughout a Drosophila embryo.
If morphogen B is injected into the head end of an embryo, the embryo is likely to develop
A)normally.
B)a second tail at the head end.
C)a second head at the tail end.
D)two heads at the head end.

Question

The graph below shows the normal concentration of morphogens A and B throughout a Drosophila embryo. 
If morphogen B is injected into the head end of an embryo, the embryo is likely to develop
A)normally. 
B)a second tail at the head end. 
C)a second head at the tail end. 
D)two heads at the head end.

Quizplus · Accepted Answer

The Answer of The graph below shows the normal concentration of morphogens A and B throughout a Drosophila embryo. 
If morphogen B is injected into the head end of an embryo, the embryo is likely to develop
A)normally. 
B)a second tail at the head end. 
C)a second head at the tail end. 
D)two heads at the head end.

The Graph Below Shows the Normal Concentration of Morphogens a and B