Do Now: 1) How do somatic and sex cell mutations differ. 2) A mutation causes the adenine in the following sequence to be changed to a guanine. How does.

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Do Now: 1) How do somatic and sex cell mutations differ. 2) A mutation causes the adenine in the following sequence to be changed to a guanine. How does this change the protein? TAG CGG GCG GGG

Types of Mutations Sickle cell Anemia- abnormal hemoglobin contains one wrong amino acid

Cancer: Oncogenes In healthy individuals, oncogenes are turned off. Environmental factors can turn on oncogenes.

Every somatic cell contains the same exact DNA

AIM: How is gene expression regulated?

Genes coding for proteins are structural genes Promoter genes and operator genes control for transcription of strutural genes Repressor genes and repressor proteins block transcription of structural genes (Show videos)