Why is DNA a better genetic material
Answers
Answer:
With the exception of certain viruses, DNA rather than RNA carries the hereditary genetic code in all biological life on Earth. DNA is both more resilient and more easily repaired than RNA. As a result, DNA serves as a more stable carrier of the genetic information that is essential to survival and reproduction.
Answer:
The genetic material should be stable enough not to change with different stages of life cycle, age or with change in the physiology of the organism. The DNA strands being complementary, if separated by heating come together, when appropriate conditions are provided. Further, 2-OH group present at every nucleotide in RNA is a reactive group and makes RNA labile and easily degradable. RNA is also now known to be catalytic, hence reactive. Therefore, DNA chemically is less reactive and structurally more stable when compared to RNA. Therefore, among the two nucleic acids, the DNA is a better genetic material.
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