■Describe how mutations lead to genetic variations.
■Which appears to be more dangerous: the BRC1 or BRC2 mutation?
■Analyze a woman’s risk of dying of cancer if she carries a mutated BRC1 gene.
■How do heredity and inheritance relate to the data presented in these charts?
■What data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries?
■What does the age at diagnosis tell you about the mutation?
■Explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.

Question

■Describe how mutations lead to genetic variations.
■Which appears to be more dangerous: the BRC1 or BRC2 mutation?
■Analyze a woman’s risk of dying of cancer if she carries a mutated BRC1 gene.
■How do heredity and inheritance relate to the data presented in these charts?
■What data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries?
■What does the age at diagnosis tell you about the mutation?
■Explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.