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Question

RNA was first genetic material, DNA evolved later on. Explain.

Prabhat Rajore · Accepted Answer

RNA was the first genetic material. RNA used to act as a genetic material as well as a catalyst . But, RNA being a catalyst was reactive and hence unstable. Therefore, DNA evolved from RNA with chemical modifications that make it a more stable molecule. DNA being double stranded and having complementary strand further resists changes by evolving a process of repair.  - Wired Faculty

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Molecular Basis Of Inheritance

RNA was first genetic material, DNA evolved later on. Explain.

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