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Lecture 15 - ClickerQ-work1Key

Lecture 15 - ClickerQ-work1Key - Question 23 A ‘fate...

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1 Clicker Questions Lecture 15 October 27, 2010 Question 22 Sea urchins are grouped with chordates because: A. the adults have vertebrae. B. the blastopore forms the anus. C. they show bilateral symmetry. D. fertilization is similar. E. the larvae have a notochord.
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Unformatted text preview: Question 23 A ‘fate map’ labels regions that: A.have already been specified. B.are developmentally equivalent. C.will use cell-cell signaling. D.contribute to particular tissues later. E. can develop autonomously....
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