A Scientist Obtains the DNA Sequence Datafor a Bacterial Plasmid

question 76

Multiple Choice

A scientist obtains the DNA sequence datafor a bacterial plasmid. The data includes As, Ts, and Gs, but no Cs.  What is the most likely cause of this result? ​

• A)ddCs were omitted from the sequencing reaction.
• B)The cytosine deoxyribonucleotides were omitted from the sequencing reaction.
• C)DNA polymerase was omitted from the sequencing reaction mix.
• D)The ddG fluorescent tags were degraded.
• E)There is no cytosine in this DNA molecule.

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