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The fact that purine base always paired ...

The fact that purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix:

A

the antiparallel helix

B

the semi-conservative nature

C

uniform width throughout DNA

D

uniform length in all DNA

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The correct Answer is:
c
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NCERT FINGERTIPS ENGLISH-MOLECULAR BASIS OF INHERITANCE-NCERT
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