1. Virtual Genetics Lab II is available for free at http://vgl.umb.edu.
2. Mendel, G. (1865). Experiments in plant hybridization. Read at the meetings of February 8th and March 8th, 1865. Available online, for example at http://www.mendelweb.org/Mendel.html.
3. Cartier, J.L. & Stewart, J. (2000). Teaching the nature of inquiry: further developments in a high school genetics curriculum. Science & Education, 9, 247–267.
4. College Board (2012). AP Biology Quantitative Skills: A Guide for Teachers. Available online at http://media.collegeboard.com/digitalServices/pdf/ap/AP_Bio_Quantitative_Skills_Guide-2ndPrinting_lkd.pdf.
5. DeBoer, G. (1991). A History of Ideas in Science Education: Implications for Practice. New York, NY: Teachers College Press.