5
Question
The total number of nitrogenous bases in human genome is estimated to be about
The total number of nitrogenous bases in human genome is estimated to be about
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Solution
The correct option is C 31 billion
The human genome has around 21,000 genes in its 3.3 billion base pairs haploid genome. The haploid DNA content of a cell is called as C-value. The C-value paradox is concerned with the presence of excessive amounts of DNA in eukaryotic cells and the difference of C-value between eukaryotic species having similar complexity. The presence of a large number of base pairs is explained on the basis of the large amount of structural DNA and junk DNA in chromosomes. Thus, option D is the correct answer.
The human genome has around 21,000 genes in its 3.3 billion base pairs haploid genome. The haploid DNA content of a cell is called as C-value. The C-value paradox is concerned with the presence of excessive amounts of DNA in eukaryotic cells and the difference of C-value between eukaryotic species having similar complexity. The presence of a large number of base pairs is explained on the basis of the large amount of structural DNA and junk DNA in chromosomes. Thus, option D is the correct answer.
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