Cyclic redundancy check? And there is almost always basic redundancy in non-viral organisms (and many viruses) in that DNA is typically double-stranded, and mos

Cyclic redundancy check? And there is almost always basic redundancy in non-viral organisms (and many viruses) in that DNA is typically double-stranded, and most organisms have repair machinery that can rewrite across single-strand lesions using the opposite strand (this fails at double-strand lesions).