Support Options

  • Knowledge Base

    Find information on common questions and issues.

  • Support Messages

    Check on the status of your correspondences with members of the QUBES team.

Contact Us

About you
About the problem

Mendelian Genetics, Probability, Pedigree, and Chi-Squared Statistics

By Anne Brokaw1, Michelle Garber-Talamo2

1. Rocky River High School, Ohio 2. University of Pittsburgh

View Link (HTM)

Licensed according to this deed.

Published on


This resource has been updated - find the current version here:

In this classroom activity, students are introduced to the genetics of sickle cell disease by a short film The Making of the Fittest: Natural Selection in Humans . A classroom handout guides students through a series of questions relating the information presented in the film to Mendelian genetics, probability, pedigree analysis, and chi-squared statistics.  


Cite this work

Researchers should cite this work as follows:

  • Brokaw, A. (2012). Mendelian Genetics, Probability, Pedigree, and Chi-Squared Statistics. HHMI BioInteractive. Retrieved from