Making a DNA model, which is in the form of a double helix, requires using four colors to represent adenine, guanine, cytosine and thymine, the four bases that make up the genetic material. Make a DNA model to better understand it with information from a biology teacher in this free video on science.
Janice Creneti has a Bachelor of Science in secondary science education and a Bachelor of Art in biology from Boston University. She has been teaching for almost two decades, and she has been performing in theatre and film for more than 25 years. Creneti currently teaches at Lakewood High School in Tampa, Fla.