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Watch Atoms Alive online: Episode 3 DNA: Store and Copy

Considers the master molecule, and how it stores information and copies itself. Introduces Mendelian genetics and the basic capabilities of DNA. Overview of mitosis and meiosis. A thumbnail sketch of Mendel's key experiment - smooth peas and wrinkled peas. Are chromosomes the Mendelian factors? No. The search for 'genes' finds that DNA is the genetic material. Chemical structure of DNA. How DNA reproduces. Demonstration of polymerase chain reaction.

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