Question

The total number of nitrogenous base pairs in human genome is estimated to be about

• A. 3.5 million
  
• B. 35 thousand
• C. 35 million
  
• D. 3.1 billion
  

Answer 1

The correct option is D 3.1 billion


Number of bases in human genome :
The structure of the DNA consists of a deoxyribose sugar, a phosphate group and the nitrogen bases (purines and pyrimidines).
Human DNA is made up of 3.1 billion base pairs.


Final answer :
(D) 3.1 billion