DNA Mutations 3 types (2) deletion – a single base is deleted from the sequence THE DOG RAN OUT  THE OGR ANO UT changes the sequence of codons – usually quite a bit; but may not change sequence if next letters code for same thing [like near end] TAC – UUA – UAA  TAC – UUU – AA Met – Leu – [stop]  Met – Phe –
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