If the Apical Ectodermal Ridge Is Surgically Removed from an Embryo

question 61

Multiple Choice

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 gonads.
• E) the developmental substrate for the kidneys.

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