Biology Chapter 28: DNA---Life's Code

Vocabulary	Objectives
28:1  The DNA Molecule	page 586
DNA nitrogen base RNA genetic code	Describe the structure of DNA. Explain how DNA controls genetic traits. Describe the experiment that proved DNA controls traits. Describe how DNA copies itself and works to make proteins
28:2  The Genetic Message Changes	page 595
mutation radiation identical twins fraternal twins breeding recombinant DNA gene therapy	Describe how mutations occur and what they impact of theat mutation might be. Describe how cloning and breeding produce offspring with desired traits. Explain how recombinant DNA and gene therapy can help humans.