Use the following information as background for the next few questions.
Scientific studies have shown that ectrodactyly, a condition involving deficient or absent digits on the hand or foot, may be caused by a defect in the apical ectodermal ridge of an embryo's limb bud.
-This condition affects development in which axis?
A)proximal-distal
B)left-right
C)anterior-posterior
D)dorsal-ventral
E)transverse

Question

Quizplus · Accepted Answer

The apical ectodermal ridge (AER) is crucial for the proximal-distal axis development of limb buds, influencing the formation of digits.

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