Unformatted text preview: Dna to rna is rna polomarse-mutations 5 types – 1. Point mutations —also called nucleotide substitutions —involve changes to individual nucleotides in the DNA sequence (one base) Insertion mutations occur when one or more new nucleotide pairs are inserted into the DNA double helix Deletion mutations occur when one or more nucleotide pairs are removed from the double helix – 4. An inversion occurs when a piece of DNA is cut out of a chromosome, turned around, and re-inserted into the gap – A translocation occurs when a chunk of DNA (often very large) is removed from one chromosome and attached to another...
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- Fall '08