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Unformatted text preview: Clicker Question: Which of these mutations is most likely to have a catastrophic effect on the functioning of a protein? Original mRNA AUU GAC UAC Answer: UAU UGA CUA C How Are Genes Regulated? Homeotic Genes shape bodies Gene Regulation Transcription Translation: lifespan of mRNA Modification of proteins Degradation of proteins Figure 10-8 Regulate Transcription: Not all Genes are Turned On Turn on/off individual genes Regulatory proteins Condense regions of chromosomes Condense entire chromosomes Barr bodies = X Chromosome X-Chromosome Inactivation 1 X chromosome inactivated in each cell in female mammals. Which X is different from cell-to-cell...
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