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Question

Which of the following represents palindromic sequence in DNA?

A
5' - GAATTC - 3'
3' - CTTAAG - 5'
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B
5' - CCAATG - 3'
3' - GAATCC - 5'
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C
5' - CATTAG - 3'
3' - GATAAG - 5'
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D
5' - GATACC - 3'
3' - CCTAAG - 5'
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Solution

The correct option is A 5' - GAATTC - 3'
3' - CTTAAG - 5'
Palindromic sequences are a pair of complimentary nucleic acid sequences that reads the same from 5' 3' or 3' 5' in both the sequences.
Eg:
5' - GAATTC - 3'
3' - CTTAAG - 5'

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