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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.

Published byLouisa Griffith Modified over 9 years ago

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Presentation on theme: "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."— Presentation transcript:

1 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

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

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

4 Every somatic cell contains the same exact DNA

5 AIM: How is gene expression regulated?

6 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)

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