Given below is a sample of portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it?
5'-GAATTC-3'
3'-CTTAAG-5'
A
Deletion mutation
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B
Start codon at the 5' end
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C
Palindromic sequence of base pairs
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D
Replication completed
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Solution
The correct option is C Palindromic sequence of base pairs Palindromic DNA is a base sequence of DNA, which reads the same forward or backward. The givent sequence reads GAATTC in both strands when reading from 5' - 3'. Hence, this is a palindromic sequence.