1. What is the purpose of the lab? The purpose of the lab is simply to conduct an investigation to explore the use of Punnett squares to predict genotypes and phenotypes of offspring. 2. What procedure did you use to complete the lab? The procedure I used was using a virtual lab to explore the use of Punnett squares to predict genotypes and phenotypes of offspring. What charts, tables, and drawings would have clearly shown what you have learned in this lab?: