A DNA Sequence Is Cut by Two Different Restriction Enzymes

question 77

Multiple Choice

A DNA sequence is cut by two different restriction enzymes (1 and 2) .
Digestion from enzyme 1 yields the following fragments (read in the 5ʹ-to-3ʹ direction) : CGATAC, GTCGTCGCC, and GTTATCGCGAC.Digestion from enzyme 2 yields the following fragments (read in the 5ʹ-to-3ʹ direction) : CGACGTCGTCGCC and CGATACGTTATCG.
What was the original sequence?

• A) CGACGTCGTCGCCCGATACGTTATCG
• B) GTCGTCGCCCGATACGTTATCGCGAC
• C) CGATACGTTATCGCGACGTCGTCGCC
• D) CGATACGTCGTCGCCGTTATCGCGAC
• E) GTTATCGCGACGTCGTCGCCCGATAC

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Definitions:

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