First slide

Tools of Recombinant DNA Technology

Question

In a palindromic sequence of bases on a DNA strand is 5ʹ ‘C2T3T1’ 3ʹ. Then 1, 2 and 3 are respectively

Moderate

A

G, A and A
B

A, A and G
C

C, A and G
D

C, T and T

Solution

In a palindromic sequence the nitrogen bases present in the first half are complementary to the next half. Hence G is complementary to C, A is complementary to T and A is complementary to T.

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