> I wonder if RNA/DNA has a checksum or data correction code somewhere? You may consider CRISPR mechanism that Bacteria use to defend themselves against mutati

> I wonder if RNA/DNA has a checksum or data correction code somewhere? You may consider CRISPR mechanism that Bacteria use to defend themselves against mutations introduced by the invading viruses as sort of data corerction. As for greater organisms, it seems that preferable approach is to have copies of single genes in case. Apparently some species are more resistant to cancer to other due to number of anti-cancerous genene they posses in their DNA. Phenomena is known as Peto's Paradox: https://en.wikipedia.org/wiki/Peto%27s_paradox https://en.wikipedia.org/wiki/Peto%27s_paradox