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ppk ppk
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Posts: 3561
12 years ago
 If the apical ectodermal ridge is surgically removed from an embryo, it will lose     
A) guidance signals needed for correct gastrulation.
B) the developmental substrate for the gonads.
C) unequal cytokinesis of blastomeres.
D) positional information for limb-bud pattern formation.
E) the developmental substrate for the kidneys.
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Staff Member
12 years ago
D ...

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