Length of DNA segment having 200 nitrogen bases is _______.
A
680∘A
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B
340∘A
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C
68000∘A
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D
68μm
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Solution
The correct option is B340∘A In 1 full turn of DNA with a length of 34A∘ has 10 base pairs or 20 bases. Now length of a DNA segment having 200 bases is 34A∘−10bpindsDNAor20bases