NEETBiologyMolecular Basis of InheritanceMCQ+4 / −1
Which one of the following palindromic base
sequences in DNA can be easily cut at about the
middle by some particular restriction enzyme?
- A5' _____ CG TTCG ______ 3'
3' ______ATGGTA ______5' - B5'______GAATTC ______3'
3'______CTTAAG______5' - C5'______CACGTA______3'
3'______CTCAGT______5' - D5'______GATATG ______3'
3'______CTACTA ______5'
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Correct answer: B
Palindromic nucleotide sequences in the DNA molecule are groups of bases that form the same sequence when read in both forward and backward direction. In the given question, only option (b) represents a palindromic sequence, that can be easily cut at about the middle by some particular restriction enzyme.
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