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ppk ppk
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Hans Spemann and colleagues developed the concept of the primary organizer in amphibian embryos while studying the     

A) medial cells between the optic cups.
B) anterior terminus of the notochord.
C) dorsal lip of the blastopore.
D) lateral margins of the neural tube.
E) posterior edge of the dorsal ectoderm.
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bio_manbio_man
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12 years ago
Quote from: PPK (12 years ago)
Hans Spemann and colleagues developed the concept of the primary organizer in amphibian embryos while studying the      

A) medial cells between the optic cups.
B) anterior terminus of the notochord.
C) dorsal lip of the blastopore.
D) lateral margins of the neural tube.
E) posterior edge of the dorsal ectoderm.
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