Unit 6 Notes: Cancer & Mutations

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Presentation transcript:

Unit 6 Notes: Cancer & Mutations Tuesday 3-2-2010 Unit 6 Notes: Cancer & Mutations

(1) Mutations Mutation: Effects: Change in DNA sequence (gene) Changes protein produced Effects: …All cells with that gene …Mitosis …Meiosis

(2) Mutations & Mitosis Involves Somatic Cells Possible Results to Cells: Damage structure Cannot function ….Cancer?

(3) Mutations & Meiosis Involves Germ Cells Possible Results to Cells: Affect any zygote produced from mutated gamete If zygote (w/mutation) develops: Every cell will contain mutation Germ cells will contain mutation  Next Generation

(4) Cancer Disease Spreads through blood + lymph. Abnormal cells divide and grow w/o control Abnormal cells invade other tissues Spreads through blood + lymph. More than 100 known types, named by origin. Tumor: Not always cancerous. Result of uncontrolled cell growth Mass of tissue