Which of the following sequences in double-stranded DNA is most likely to be recognized as a cutting site for a restriction enzyme?

Which of the following sequences in double-stranded DNA is most likely to be recognized as a cutting site for a restriction enzyme? 





A) AAGG
TTCC

B) AGTC
TCAG

C) GGCC
CCGG

D) ACCA
TGGT

E) AAAA
TTTT







Answer: C


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