1-Minute Tips

Double Helix and Pulse-Chase Experiment

By: Cheryl Coronado
Science Topic
Genetics
Level
High School — GeneralHigh School — AP/IB

Educator Cheryl Coronado discusses how she uses the short film The Double Helix to introduce her students to how DNA's structure was uncovered. She then follows with the accompanying pulse-chase student activity that describes the experiment that proved DNA replication is semi-conservative.

Related Articles

Educator Voice
Focusing on Metacognition in Undergraduate Classes

In this Educator Voices article from Taylor University professor John Moore, he outlines how he couples metacognitive strategies with BioInteractive animations to help students understand how they're thinking about complex processes like DNA replication.

Assessment Instructional Tools Teaching Methods
Educator Voice
Using Gene Mapping to Introduce the Chi-square Test of Independence

Deepen your understanding of statistics with this Educator Voices article from Colorado educator Paul Strode about using our “Mapping Genes to Traits in Dogs Using SNPs” activity to teach the Chi square test of independence.

Scientific and Data Literacy
Educator Voice
Lesson Sequences to Teach Genetics With HHMI BioInteractive Resources

Genetics and patterns of inheritance are key topics to cover in a biology course. In this article by Cinthya Fernández, who teaches in Mexico, see how she sequences our genetics resources for her introductory and advanced high school biology classes.

Lesson Planning