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Define mutation by using the phrase DNA code

User Ctd
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A mutation is a change in the nucleotide sequence (or DNA Code if you will) of the genome of an organism, virus, or extrachromosomal genetic element.
User Anthony Raymond
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My answer: Mutations are a change in the genetic structure of a chromosome. Chromosomes contain DNA and RNA, and strands of DNA 'codes' if you will, make up a chromosome.

Hope I helped! :D
User Wallie
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