Individuality of every persons is maintained by nucleotide genome sequence difference of:
Correct answer: A. 0.1%
- A. 0.1%
- B. 2%
- C. 3%
- D. 5%
Explanation
Human beings share 99.9% of their genome sequence, making 0.1% the portion that accounts for individual genetic differences. This small percentage is responsible for the vast diversity observed among individuals. The larger percentages, such as 2%, 3%, or 5%, do not accurately reflect the minor genetic variations that exist among humans and would imply a far greater level of genetic diversity than actually exists.
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About Structure of DNA
DNA structure includes nucleotides made of deoxyribose, phosphate and nitrogenous bases, arranged in two antiparallel polynucleotide strands. Questions cover the double helix, phosphodiester and hydrogen bonds, complementary base pairing between adenine and thymine and between guanine and cytosine, and the significance of major and minor grooves.
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