The two polynucleotide chain in DNA are:-

Semiconservative

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Parallel

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Discontinuous

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Antiparallel

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Solution

The correct option is D Antiparallel
The two polynucleotide chain in DNA are having opposite polarity and thus are arranged antiparallel i.e., if one chain is having polarity from 5'-->3' then other will have a polarity of 3'-->5'.
So, the correct answer is 'Antiparellel'.

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