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AP Biology/Unit 6: Gene Expression and Regulation
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CPSF Mutation and mRNA Processing

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A mutation impairs the function of the Cleavage and Polyadenylation Specificity Factor (CPSF). Compared to wild-type cells, what is the most likely effect of this mutation on the resulting mRNA transcripts?

A

Shorter transcripts due to premature termination

B

Multiple bands instead of single bands

C

Longer transcripts due to read-through transcription

D

No difference in transcript length

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