Hans Spemann and Colleagues Developed the Concept of the "Organizer

question 51

Multiple Choice

Hans Spemann and colleagues developed the concept of the "organizer" in amphibian embryos while studying the ________.

• A) medial cells between the optic cups
• B) anterior terminus of the notochord
• C) lateral margins of the neural tube
• D) dorsal lip of the blastopore

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