Check out this Mendelian Genetics reference site, which has an enormous catalogue of links. It doesn't just talk about Punnett Squares, there's also a link to a simple introduction to the chi square test.
If you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.
Sign up for our weekly science updates.
Save up to 70% off the cover price when you subscribe to Discover magazine.