Chapter 12: DNA
Big Idea: Information and Heredity, Cellular Basis of Life
What is the structure of DNA, and how does it function in genetic inheritance
Chapter 12.1 Identifying the Substance of Genes
How did scientists determine that DNA is responsible for storing, copying and transmitting
genetic information?
Objectives:
o Summarize the process of bacterial transformation
o Describe the role of bacteriophages in identifying genetic material
o Identify the role of DNA in heredity
Chapter 12.2 The Structure of DNA
How was the basic structure of DNA Discovered?
Objectives:
o Identify the chemical components of DNA
o Discuss the experiments leading to the identification of DNA as the molecule that carries the
genetic code
o Describe the steps leading to the development of the double-helix model of DNA
Chapter 12.3 DNA Replication
How do cells copy their DNA?
Objectives:
o Summarize the events of DNA replication
o Compare DNA replication in prokaryotes and that of eukaryotes