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Unformatted text preview: replication or by various environmental factors Mutations take many forms and can affect protein function in many ways Mutations fall into five categories Inversions Translocations Deletions chapter 11 Insertions Substitutions-Gene regulation Gene regulation is the ability of a cell to control which genes are used or not at any given time Gene regulation may occur at three different levels 1. At the level of transcription, regulation determines which genes in a cell are expressed 2. At the level of translation, regulation determines how much protein is made from a particular type of mRNA 3. At the level of protein activity, regulation determines how long the protein lasts in a cell...
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- Fall '08