NEET Botany Molecular Basis of Inheritance Questions Solved


In a bacterium, the amount of adenine was found to be 18 per cent. Suggest the cytosine base composition from the following

(1) 64%

(2) 36%

(3) 32%

(4) 18%

(3) According to Chargaff’s rule,

(A + T) + (G + C) = 100%

(A = T) + (G = C) = 100%

(18% + 18%) + 2G = 100%

36% + 2G = 100%

2G = 100% – 36%

  G = 32%

Difficulty Level:

  • 7%
  • 8%
  • 80%
  • 7%
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