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The Developing Hindbrain Is Segmented into Rhombomeres,which Are Characterized by the Differential

Question 18

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The developing hindbrain is segmented into rhombomeres,which are characterized by the differential expression of members of the Hox family of transcription factors.Researchers have shown that some members of the Hox family are crucial for the specification of the rhombomeres.When Hoxa1 is genetically inactivated in mice,which rhombomeres are affected?


A) r1 and r2
B) r3 and r4
C) r4 and r5
D) r6 and r7

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