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Home » MCQs Snapshot » Select the molecule responsible for the digits of a developing vertebrate limb respond to molecules that establish an anterior-posterior axis will originate in____.

Select the molecule responsible for the digits of a developing vertebrate limb respond to molecules that establish an anterior-posterior axis will originate in____.

a. The apical endodermal ridge (AER)
b. The apical ectoderm covering
c. The zone of polarizing activity (ZPA)
d. The organizer

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