RNA was probably the first molecule used to encode genetic information; the use of DNA came later.This is due to RNA's inherent stability and its ability to store information more accurately than DNA.

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Quizplus · Accepted Answer

This statement is false. DNA is actually more stable than RNA and can store information more accurately due to its double-stranded structure and proofreading abilities during replication. RNA likely evolved later as an intermediary molecule between DNA and proteins.

RNA Was Probably the First Molecule Used to Encode Genetic