Which of the following observations does not support the hypothesis that the initiation of eye development in animals occurred only once.
A)In some organisms,Pax6-related genes are associated with development of the forehead.
B)A large number of different organism use Pax6-related genes in eye development.
C)The DNA sequence of Pax6-related genes in animals is uniformly similar.
D)The common ancestor of animals had a simple system for detecting light.

Question

Quizplus · Accepted Answer

Pax6-related genes being associated with forehead development in some organisms suggests that these genes may have functions other than eye development, which does not support the idea that eye development initiation occurred only once.

Which of the Following Observations Does Not Support the Hypothesis