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Question

Which one of the following is the complementary sequence for the DNA sequence 5’ – CGTACTA – 3’


A
5’ – TAGTACG – 3’
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B
5’ – ATCATGC – 3’
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C
5’ – UTCUTGC – 3’
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D

5’ – GCUAGCA – 3’

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Solution

The correct option is A 5’ – TAGTACG – 3’

To get the complementary sequence, the template has to be read from the 3' end. So, the complementary sequence will be:

5’ – TAGTACG – 3’


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