Q.

If one strand of DNA has the sequence ATGCTTGA, the sequence in the complimentary strand would be 

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a

TACGTACT 

b

TACGAACT 

c

TACGTAGT 

d

TCCGAACT 

answer is A.

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Detailed Solution

The base pairs on one strand of the DNA bind with the base pairs of the other strand specifically. A always pairs with T with two hydrogen bonds and G always pairs with C with three hydrogen bonds. So if one strand is ATGCTTGA then the complementary strand will be TACGAACT

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