If the apical ectodermal ridge is surgically removed from an embryo, it will lose ________.
A) positional information for limb-bud pattern formation
B) guidance signals needed for correct gastrulation
C) unequal cytokinesis of blastomeres
D) the developmental substrate for the kidneys

Question

Quizplus · Accepted Answer

The apical ectodermal ridge is responsible for providing positional information that helps in the formation of limb buds. Therefore, if it is surgically removed from an embryo, the embryo will not have this information, which can result in abnormal limb development or absence of limb development.

If the Apical Ectodermal Ridge Is Surgically Removed from an Embryo