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Vertebrate Hemoglobin and Myoglobin Are Thought to Have Arisen from a Common

Question 26

Multiple Choice

Vertebrate hemoglobin and myoglobin are thought to have arisen from a common ancestral molecule due to __________ and subsequent modification.

A) gene duplication
B) multiple replication of DNA
C) crossing over
D) aneuploidy
E) multiple transcription of mRNA

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