Maharashtra State BoardHSC Science (General) 11th
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If double-stranded DNA has 14% C (cytosine) what percent A (adenine), T (thymine) and G (gaunine) would you expect? - Biology

Short Note

If double-stranded DNA has 14% C (cytosine) what percent A (adenine), T (thymine) and G (gaunine) would you expect?

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Solution

A purine always pairs with pyrimidine.
Adenine pairs with thymine and cytosine pairs with guanine.
Therefore, as per the given data
If cytosine = 14% then guanine = 14%.
According to Chargaff’s rule,
(C+G) = 14 + 14 = 28%
Therefore, (A+T) = 72%
So, A= 36%, T= 36%, G = 14%.

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APPEARS IN

Balbharati Biology 11th Standard Maharashtra State Board
Chapter 6 Biomolecules
Exercise | Q 6 | Page 75
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